A Exam 2 Retake Password: ready X New Tab X Homework Help - Q&A from On X A 2% https://www.webassign.net/web/Student/Assignment-Responses/submit?dep=26895881&tags=autosave#question3830321_8 ... time left... 3. [-/6.66 Points] DETAILS MY NOTES ASK YOUR TEACHER 0: 35 : 49 If possible, find A + B, A - B, 4A, and 4A - 3B. (If not possible, enter IMPOSSIBLE.) 4 = 4 1 , B = - 4 - (a) A + B 1 1 (b) A - B 1 1 (c) 4A (d) 4A - 3B 1 1 4. [6.66/6.66 Points] DETAILS PREVIOUS ANSWERS MY NOTES ASK YOUR TEACHER