Could you please review the figures in the attached screenshot and confirm that I chose the correct answer, and if not, explain what I did wrong?

Figure 13 Perform the operation, if possible. Let B= [ - 1 4 5 - 3. Find - 2B. OA. [ -323 -5] OB. [ -2 8 10 -6 OC. [2 -8 -10 6 OD. [24 5 -3 ] Figure 14 Find the matrix product. Note that each product can be found mentally, without the use of a calculator or pencil-and-paper calculations. 12 16 1 (Simplify your answer.) 20 24 Figure 15 Find AC, if possible. -5 0 2 A = C = 1 - 3 2 3 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. AC= -37 13 15 Simplify your answer.) 9 -7 -3 O B. The matrix AC is not defined