Exam Information: Topics All materials in Weeks 1-14 • Roughly half of the questions come from those after Common Exam #3, i.e., topics in Weeks 11-14: Rotational Dynamics, Static Torque, Fluid Mechanics, Gravitation. • Another half of the questions come from those already covered in Common Exams #1-3, i.e., topics in Weeks 1-10.Common Exam I: February 9, 2022 Common Exam II: March 9, 2022 Common Exam III: April 20, 202221 votes, 11 comments. Hello, this is a collection of my Common Exam if you want to use to study. It has Calc I, II, III and DiffQ Lmk if the link….The schedule is: Common Exam 1: Monday, February 24, 2020 4:15 - 5:45 PM (1.5 hrs) Common Exam 2: Monday, March 30, 2020 4:15 - 5:45 PM (1.5 hrs) Common Exam 3: Monday, April. 13, 2020 4:15 - 5:45 PM (1.5 hrs) Comprehensive Final Exam: After May 8, 2020 2.5 hrs. In-class quizzes covering preceding or current work may also be given during ...Review for WEEK 3 material (Common Exam #1 Part B) will be. IN-PERSON: Monday OCT 3rd, 8:30AM-10AM in FMH 405 . ON WEBEX : TUESDAY 10AM, …New Jersey Institute of Technology Digital Commons @ NJIT Humanities Syllabi NJIT Syllabi Fall 2020 STS 210-101: Introduction to Psychology ... Exams 75%. Exam #1 . 20%. Exam #2 . 20%. Exam #3 . 35%. Journal Entries. 15%. Attendance and Class Participation. 10% Total100% Grading System:Common Midterm Exam II 17% Common Midterm Exam III 17% Final Exam 32% Your final letter grade will be based on the following tentative curve. A 85 - 100 C 65 - 69 B+ 80 - 84 D 60 - 64 B 75 - 79 F 0 - 59 C+ 70 - 74 Attendance Policy : Attendance at all classes will be recorded and is mandatory . Please make sure you readA cumulative exam is one that tests a student on all of the material since the beginning of the term. The word “cumulative” means that it results from a gradual growing in quantity...Math 110 Common Exam #1 , 201September 27 7 Problem(s) Score Total Time: 1 hour and 25 minutes Instructions: Show all work for full credit. No outside materials or calculators allowed. Extra Space: Use the backs of each sheet for extra space. Clearly label when doing so.The Common Exam for MATH 108, 111, 112, 139, 213, & 222 sections will be held on the following WEDNESDAYS:common exam will receive a score of zero for the common exam. In the event that the above qualification is met, a separate make-up test for the missed common quiz will not be offered. Instead, the portion of the final exam relevant to the contents of the missed test will be considered for giving ... NJIT has a zero-tolerance policy for cheating ...Past common exam: Chem 125 Exam 3 Fall 2016 answer key common exam chem 125 november 21, 2016 print name (last name, instructor: dr. balasubramanian dr.COMMON EXAM. CHEM 121, 122, 125 and 126. Monday, 4:15pm-5:45pm - February 19, March 18, April 22. FINAL EXAM. TBA. Students should contact their Instructor for the final exam time and location.302 Found. nginxUpdated Common Exam for Math (2021-2023) Hello, this is a collection of my Common Exam if you want to use to study. Really nice of you to do this, all I hear when I'm walking on campus is people freaking over calc lol. Thank you!Finally fill in the requested information on the SCANTRON ANSWER SHEET according to the following scheme: NAME: Print LAST name, then first (print clearly) SUBJECT: Course and section DATE: 04/29/PERIOD: Your Student Number. The last page of this exam is a periodic table.Common Midterm Exam I September 23, 2020 Common Midterm Exam II October 21, 2020 Common Midterm Exam III November 18, 2020 Final Exam Period December 15 - 21, 2020 The time of the midterm exams is 4:15-5:40 PM for daytime students and 5:45-7:10 PM for evening students. The final exam will test your knowledge of all the course material taught in ...There will be three Common Exams plus a comprehensive Final Exam. The schedule is: • Common Exam 1: Monday, 02/28/2022, 4:15 -- 5:45 PM • Common Exam 2: Monday, 03/28/2022, 4:15 -- 5:45 PM • Common Exam 3: Monday, 04/25/2022, 4:15 -- 5:45 PM • Comprehensive Final Exam after May 6, 2.5 hours long The final exam will emphasize the work ...In the event that the above qualification is met, a separate make-up test for the missed common . quiz will not be offered. Instead, the final exam grade will be considered for giving a grade for the . missed test. Conflict common exams are usually held from 6:00 to 7:30 PM on exam days; contact Ms. Oertel ([email protected]) for ...Math 112 EXAM I, Spring 2022 Read each problem carefully. Show all your work for each problem! No Calculators! 1. (10) Find the length of the curve y = 1 6 (2 + 4x 2)3=2 over 0 x 3. 2. (10) The region between the curve y = ex + e x; 1 x 1; and the x-axis is revolved about the x-axis to generate a solid. Find its volume. 3. (a) (5) Find the ...Students. Exam Schedule. For All FINAL Exams, please contact your instructor. SPRING 2024. COMMON EXAM. CHEM 121, 122, 125 and 126. Monday, 4:15pm-5:45pm - …Common Midterm Exam I 12% Common Midterm Exam II 12% Common Midterm Exam III 12% Final Exam 30% Your final letter grade will be based on the following tentative curve. A 88 - 100 C 66 - 71 B+ 83 - 87 D 60 - 65 B 77 - 82 F 0 - 59 C+ 72 - 76 THE FINAL GRADE DISTRIBUTION WILL BE DETERMINED BY COURSE INSTRUCTORS IN A MEETING TO BE HELD AFTER THE ...Date. Rating. year. Ratings. Studying CS 100 Roadmap To Computing at New Jersey Institute of Technology? On Studocu you will find 27 coursework, 23 assignments, 21 practice materials and much.Common Exam 3: Monday, November 27, 2023; 4:15 -- 5:45 PM • Comprehensive Final Exam. TBA, 2.5 hours long . The final exam will emphasize the work covered after common exam 3, but also re-caps the whole course. Note: Common Exams and Final Exam are all going to be Multiple-Choice questions. Students areCommon Exam 2: Monday, 03/28/2022, 4:15 -- 5:45 PM • Common Exam 3: Monday, 04/25/2022, 4:15 -- 5:45 PM. Missed Exams . The general policy is that students who miss a common exam will receive a score of zero for that Exam. That score will be included in the calculation of your final grade. Students that miss two common exams automatically ...• Common Exam 3: Monday, 11/27/2023, 4:15 -- 5:45 PM • Comprehensive Final Exam during Finals Week, 2.5 hours long ... NJIT has a zero-tolerance policy for cheating of any kind and for disruptive student behavior. Violations will be reported to the Dean of Students.Common Midterm Exam I 12% Common Midterm Exam II 12% Common Midterm Exam III 12% Final Exam 30% Your final letter grade will be based on the following tentative curve. A 88 - 100 C 66 - 71 B+ 83 - 87 D 60 - 65 B 77 - 82 F 0 - 59 C+ 72 - 76 THE FINAL GRADE DISTRIBUTION WILL BE DETERMINED BY COURSE INSTRUCTORS IN A MEETING TO BE HELD AFTER THE ...125 Fall 2019 Exam 1 KEY - Common Exam, CHEM 125 Key. General Chemistry I. Other. 100% (3) Comments. Please sign in or register to post comments. Report Document. ... New Jersey Institute of Technology. 56 Documents. Go to course. 7. Chem notes chap 6. General Chemistry I 100% (5) 10. 125 Fall 2019 Exam 1 KEY - Common Exam, CHEM 125 Key.New Jersey Institute of TechnologyAlthough there's no tax credit for taking the CFA exam, you may be able to deduct your exam expenses. To become a Chartered Financial Analyst -- CFA, for short -- you must first pa...New Jersey Institute of Technology Digital Commons @ NJIT Chemistry, Environmental and Forensic Science Syllabi NJIT Syllabi Spring 2022 ... You must maintain an average of 35%, which is 228 points in the common exams and finals to be considered for a grade of D or higher. You will receive an F even if you have adequate point total withoutfinal exam. Each exam will test the material taught since the beginning of the semester. Exams are held on the following days: Common Midterm Exam I September 23, 2020 Common Midterm Exam II October 21, 2020 Common Midterm Exam III Novemeber 18, 2020 Final Exam Period December 15 - 21, 2020 The time of the midterm exams is 4:15-5:40 PM for ...in the reque sted in f ormation on the SCANTRON ANSWER SHEETaccording to the following scheme: NAME: Print LASTname, then first (print clearly) SUBJECT: Course and section. DA TE: 09/30/19. PERIOD: Your Student Number (we give you this) 2. The last page of this exam is a periodic table.New Jersey Institute of Technology Digital Commons @ NJIT Mechanical and Industrial Engineering Syllabi NJIT Syllabi Spring 2021 ME 215-004: Engineering Materials and Processes ... For all sections Exams 1 and 2 will be common exams that take place on Monday 4:15-5:45pm, Exam 1 will be on 2/22, and Exam 2 will be on 3/29, and the room ...Exams: There will be two common midterm exams held during the semester and one comprehensive common final exam. Exams are held on the following days: Common Midterm Exam I February 24, 2021 Common Midterm Exam II April 14, 2021 Final Exam Period May 7 -13, 2021 The time of the midterm exams is 4:15-5:40 PM for daytime students and 5:45-7:10 PM ...Common Exam Time for NIGHT Classes: 6:00 - 7:25 PM. The Common Exam for MATH . 108, 110, 111, 111, 112, & 213 ... Please read NJIT's Exam Conflict Policy at https ...Midterm Exam I (Tentative) October 5, 2021. Midterm Exam II (Tentative) November 9, 2021. Final Exam Period. December 15 - 21, 2021. The final exam will test your knowledge of all the course material taught in the entire course. Make sure you read and fully understand the Math Department's Examination Policy.FOR THE PHYSICS TUTORING SCHEDULE - SPRING 2024→ CLICK HERE ←. Tutoring for the Spring 2024 semester will begin Tuesday, January 23, 2024 through. Tuesday, April 30, 2024. Tutoring Hours: 10:00 am – 5:50 pm Monday, Tuesday, Wednesday & Thursday. 10:00 am – 2:30 pm Friday. LOCATION: CKB G12. IN …Common Exam I: September 22, 2021 Common Exam II: October 20, 2021 Common Exam III: November 27, 2021Disadvantages of exams include high pressure on students, negative consequences for poorly performing schools and not developing long-term thinking. One of the greatest disadvantag...Common Exam Time for NIGHT Classes: 6:00 - 7:25 PM The Common Exam for MATH 108, 110, 111, 111, 112, & 213 sections will be held on the following WEDNESDAYS: Common Exam I: September 27, 2023 Common Exam II: October 25, 2023 Common Exam III: November 29, 2023 EXAM CONFLICT? Please read NJIT's Exam Conflict Policy at https://www5.njit.edu ...Instructions: First, write your name and section number on both the Scantron card and this exam sheet. Use the formula sheet (last exam booklet page) and no other materials. Budget your time. There are 25 multiple choice problems. Answer each question on the Scantron card using #2 pencil.Math 110 Common Exam #3 April 20, 2022 Problem Score Time: 1 hour and 25 minutes Instructions: Show all work for full credit. No outside materials or calculators allowed. 2 Extra Space: Use the backs of each sheet for extra space. Clearly label when doing so.FALL 2018 COMMON EXAM SCHEDULE - BY COURSE Common Exam Time for DAY Classes: 4:15 - 5:40PM Common Exam Time for NIGHT Classes: 5:45 - 7:10PM The Common Exam for MATH 108, 110, 111, 111H, 112, 213 & 222 sections will be held on the following WEDNESDAYS: Common Exam I: September 26, 2018 Common Exam II: October 24, 2018 Common Exam III ...Common Exam Time for NIGHT Classes: 6:00 - 7:25 PM The Common Exam for MATH 108, 110, 111, 111, 112, & 213 sections will be held on the following WEDNESDAYS: Common Exam I: September 27, 2023 Common Exam II: October 25, 2023 Common Exam III: November 29, 2023 EXAM CONFLICT? Please read NJIT's Exam Conflict …New Jersey Institute of Technology Digital Commons @ NJIT Mathematical Sciences Syllabi NJIT Syllabi Fall 2019 MATH 108-001: University Mathematics I B A. Flax ... Exams: There will be three common midterm exams held during the semester and one comprehensive common final exam. Each exam will test the material taught since the beginning of the ...ps-konica-culm606-10-20180412183240. /4n51ulr Math 110 Common Exam Ill Total November 30, 2016 Problem(s) Time: I hour and 25 minutes Instructions: Show all work for full credit. No outside materials or calculators allowed. Extra Space: Use the backs of each sheet for extra space. Clearly label when doing so.Common Exam 2: Monday, October 30, 2023; 4:15 -- 5:45 PM • Common Exam 3: Monday, November 27, 2023; 4:15 -- 5:45 PM • Comprehensive Final Exam. TBA, 2.5 hours long The final exam will emphasize the work covered after common exam 3, but also re-caps the whole course. Note: Common Exams and Final Exam are all going to be Multiple-Choice ...The curriculum for B.S. in Biomedical Engineering - BIOMECHANICS CO-OP TRACK - CYCLE B. Students can take MATH 213 (Calculus III B) instead of MATH 211. Students can take MATH 333 (Probability and Statistics) instead of MATH 279. Engineering Electives Choices: BME 372, BME 333, BME 386, BME 471, BME 472, BME 385, BME 420, BME 422, BME 427 ...Math 107 Exam #2 November 14, 2018 Problem(s) Score Total Time: 1 hour and 25 minutes Instructions: Show all work for full credit. No outside materials or calculators allowed. Extra Space: Use the backs of each sheet for extra space. Clearly label when doing so. Name: ID #: Instructor/Section:NJIT Academic Integrity Code : ... any form of cheating in quizzes and exams. Under the University Code on Academic Integrity, students are obligated to report any such activities to the InstructorDMS Online Exam Policy Spring 2022 : In the event it is determined that DMS will conduct Common Exams. online during Spring 2022, those exams will be ...Common Exam Time for NIGHT Classes: 6:00 - 7:25 PM The Common Exam for MATH 108, 110, 111, 111, 112, & 213 sections will be held on the following WEDNESDAYS: Common Exam I: September 27, 2023 Common Exam II: October 25, 2023 Common Exam III: November 29, 2023 EXAM CONFLICT? Please read NJIT's Exam Conflict Policy at https://www5.njit.edu ...common exam practice physics common exam fall 2023 chapters name (print): digit section: honors code pledge: for ethical and fairness reasons all students are ... New Jersey Institute of Technology. 49 Documents. Go to course. 6. Lab 103 Translational Static Equilibrium-Force Table. Physics I 96% (27) 3. Copy of Copy of Gizmo Period Pendulum B.• Common Exam 3: Monday, 11/27/2023, 4:15 -- 5:45 PM • Comprehensive Final Exam during Finals Week, 2.5 hours long ... NJIT has a zero-tolerance policy for cheating of any kind and for disruptive student behavior. Violations will be reported to the Dean of Students.SPRING 2019 COMMON EXAM SCHEDULE - BY COURSE Common Exam Time for DAY Classes: 4:15 - 5:40PM Common Exam Time for NIGHT Classes: 5:45 - 7:10PM The Common Exam for MATH 108, 110, 111, 112, 213, & 222 sections will be held on the following WEDNESDAYS: Common Exam I: February 13, 2019 Common Exam II: March 13, 2019 Common Exam III: April 24 ...New Jersey Institute of Technology; Calculus II; Calculus II (MATH 112) 33 33 documents. 1 1 question 10 10 students. Follow this course. Calculus II (MATH 112) Follow. ... Clac 2 Common exam 1 practice exam. 1 page 2022/2023 None. 2022/2023 None. Save. Clac 2 Common exam 1 practice exam. 8 pages 2021/2022 None. 2021/2022 None.In today’s competitive job market, obtaining certifications has become increasingly important for professionals looking to advance their careers. However, the cost associated with ...Updated Common Exam for Math (2021-2023) Hello, this is a collection of my Common Exam if you want to use to study. Really nice of you to do this, all I hear when I'm walking on campus is people freaking over calc lol. Thank you!Common Midterm Exam I September 22, 2021 Common Midterm Exam II October 20, 2021 Common Midterm Exam III November 17, 2021 Final Exam Period December 15 - 21, 2021 The time of the midterm exams is 4:15-5:40 PM for daytime students and 5:45-7:10 PM for evening students. The final exam will test your knowledge of all the course material taught in ...Common Exam Time for DAY Classes: 4:15 - 5:40PM Common Exam Time for NIGHT Classes: 6:00 - 7:25PMAssignments. Show all 10 documents... Studying CHEM 126 Gen Chemistry II at New Jersey Institute of Technology? On Studocu you will find 40 practice materials, 12 coursework, 10 assignments and much more.Department of Mathematical Sciences. FALL 2014 COMMON EXAM SCHEDULE. Common Exam Time for DAY Classes: 4:15 - 5:40 PM. Common Exam Time for NIGHT Classes: 5:45 - 7:10 PM. The Common Exam for MATH. 108, 111, 112, 139, 213, & 222. sections will be held on the following WEDNESDAYS:Exams are held on the following days: Common Midterm Exam I Febrauary 24, 2021 Common Midterm Exam II April 14, 2021 Final Exam Period May 7 - 13, 2021 The time of the midterm exams is 4:15-5:40 PM for daytime students and 5:45-7:10 PM for evening students. The final exam will test your knowledge of all the course material taught in the entire ...What are common exams and how can I study effectively for them? Common Exams are a series of comprehensive exams that students are required to take to complete certain …The Common Exam for MATH 108, 110, 111, 112, 112H, 213, & 222 sections will be held on the following WEDNESDAYS:Common Exam 2: Monday, 03/28/2022, 4:15 -- 5:45 PM • Common Exam 3: Monday, 04/25/2022, 4:15 -- 5:45 PM. Missed Exams . The general policy is that students who miss a common exam will receive a score of zero for that Exam. That score will be included in the calculation of your final grade. Students that miss two common exams automatically ...Students must complete the Testing Accommodation Request Form (TARF) using a hyperlink provided by the OARS staff to request quizzes and exams.. To offer the OARS staff and professors/course instructors the appropriate amount of time to coordinate exam accommodations, testing accommodation requests must be submitted no later than 3 business days (Monday- Friday) prior to the exam date.ps-konica-culm606-10-20181213003335. Fall 2018 MATH-333 (Common Final Exam) 13 13 PLEASE SHOW WORK TO GET FULL CREDIT December 19, 2018 NJIT Total 100 #3 13 #5 15 16 21 This exam is closed book and closed notes. Basic calculator is allowed. Formula sheet and tables are provided with the exam.ps-konica-culm606-10-20181213003335. Fall 2018 MATH-333 (Common Final Exam) 13 13 PLEASE SHOW WORK TO GET FULL CREDIT December 19, 2018 NJIT Total 100 #3 13 #5 15 16 21 This exam is closed book and closed notes. Basic calculator is allowed. Formula sheet and tables are provided with the exam.Common Exams for 100-200 Common Exams level courses only Common Exams 08:30 to 09:10 08:30 to 09:10 8:30 9:10 9:15 to 9:55 10:00 to 10:40 11:30 to 12:10 12:15 to 12:55 1:00 to 1:40 ... New Jersey Institute of Technology Schedule Grid 10:45 to 11:25 11:45 to 11:25. Author: silva Created Date:Physics 111 Common Exam 1, Fall 2013, Version A . Name (Print): _____ 4 Digit ID:_____ Section: _____ Honors Code Pledge: For ethical and fairness reasons all students are pledged to comply with the provisions of the NJIT Academic Honor Code. You must answer the exam questions entirely by yourself.NJIT Academic Integrity CODE: All Students should be aware that the Department of Mathematical Sciences takes the University Code on Academic Integrity at NJIT very seriously and enforces it strictly. This means that there must not be any forms of plagiarism, i.e., copying of homework, class projects, or lab assignments, or any form of cheating in …The time of the midterm exams is 4:15-5:40 pm for daytime students and 5:45-7:10 pm for evening students. The final exam will test your knowledge of all the course material taught in the entire course. Make sure you read and fully understand the Math Department's Examination Policy.This policy will be strictly enforced.NJIT Research Centers and Laboratories; Research News; Research FAQs. ... Spring 2017 Common Exam Schedule In This Section. Academic Calendars; Academic Policies and Procedures ... Evening exams (meet in regularly scheduled classrooms): Wednesday 5:45–7:10pm – 2/15/17, 3/8/17, 4/19/17 ...Exams There will be two Common Exams and a Final Exam during the term. The exam schedule is: Monda Common Exam 1: Thursday, May 28, 9 am - noon . Common Exam 2: Thursday, June 11, 9 am - noon . Final Exam: Thursday, June 18, 9 am - noon . There will be no makeup exams. Due to school closure, all exams will be given remotely through online.The Math Tutoring Center is located in the Math and Science Engagement Center inside the Central King Building (CKB), in Room G11. To view our full schedule for the semester, please follow the link: njitMTC.com. For any questions or concerns, please contact Jon Porus ( [email protected] ). Updated: February 27, 2024. Math Tutoring Center Services.New Jersey Institute of Technology Digital Commons @ NJIT Mathematical Sciences Syllabi NJIT Syllabi Fall 2019 MATH 108-001: University Mathematics I B A. Flax ... Exams: There will be three common midterm exams held during the semester and one comprehensive common final exam. Each exam will test the material taught since the beginning of the ...Common Exam Time for DAY Classes: 4:15 – 5:40PM Common Exam Time for NIGHT Classes: 5:45 – 7:10PM The following courses will have COMMON EXAM on November 10, 2021common exam scores, the final exam, lecture/recitation quizzes, and the homework score. 1) Common Exams. Three common exams will be given during the semester.GRADING: Your final letter grade in Phys 234 will be based on a composite score for term’s work that includes the common exam scores, the final exam, and the homework score. 1) Common Exams Three common exams will be given during the semester. The exam schedule is: Common Exam 1: Monday, October 8th. Common Exam 2: Monday, …Chem 126 Exam 2, Fall 2018 - without answers boldened chem 126 exam october 22, 2018 last name first name (middle) print instructor: circle one: dr. butherus ... The following common household chemicals are salts: ... New Jersey Institute of Technology. 67 Documents. Go to course. 2. Kami Export - Keanna Marcelin - CHEM21 AS Authentic Reading ...The Common Exam for MATH 107, 211, 333, 333H & 337 sections will be held on the following WEDNESDAYS: T H E R E A R E N O M A K E U P E X A M S. The following courses will have COMMON EXAM on OCTOBER 2, 2013 Exam Conflicts: Any student with a common exam CONFLICT should report to the MATH DEPT. (Cullimore Hall, Room 606)The Common Exam for MATH. 107, 211, 333, 333H, 337. sections will be held on the following WEDNESDAYS: Common Exam I: October 6, 2021. Common Exam II: November 10, 2021.Calculus 112 Common Exam ReviewHere is the link to the blank examhttps://math.njit.edu/sites/math/files/M112-Exam2F16.pdfMy patreon page: patreon.com/[email protected] - (973) 596-3466, Campus Center, Room 255. BOTH the Physics 234 instructor and Dean of Students must concur in permitting a "make-up" common exam. Students who miss common exams that do not present documentation within 7 days of the common exam will receive a score of zero for the common exam.New Jersey Institute of Technology Digital Commons @ NJIT Computer Science Syllabi NJIT Syllabi S, 302 Found. nginx, Common Exam Time for NIGHT Classes: 6:00 - 7:25 PM The Common Exam for MATH 108, 110, 111, 111, , Mar 22, 2024 · Assignments. Show all 10 documents... Studying CHEM 126 Gen Chemistry II at New Je, SPRING 2014 COMMON EXAM SCHEDULE Common Exam Time for DAY Classes: 4:15 - 5:4, Formulas PHYS 121 - exams 1 and 2 Units: SI system: kg , NJIT is a leader in STEM education as well as disciplines in business, PHYS111, PHYS121 AND PHYS234 COMMON EXAM #3 SCHEDULE, THERE ARE NO MAKE UP EXAMS. Therefore, RE-SCHEDULED EXAMS, NJIT Research Centers and Laboratories; ... Exam Schedules, Page 1 of 7 Physics 111 Common Exam 2, Fall 2013, V, Practice first Physics Common Exam practice physics 121 commo, SPRING 2023 COMMON EXAM SCHEDULE Common Exam Time for DAY C, Exams are held on the following days: Common Midterm Exam I Fe, 125 Fall 2019 Exam 1 KEY - Common Exam, CHEM 125 Key, pages and sign the exam attendance sheet. You may use the summary o, Math 107 Exam #2 November 14, 2018 Problem(s) Score Total Time: 1 h, Common Midterm Exam I September 22, 2021 Common Midterm Exa.