PLEASE answer all or 3 or any one of them

8. DETAILS HARMATHAP1 2 3.2.006. Use the following matrices to perform the indicated operation, when possible. (If not possible, enter IMPOSSIBLE into any cell of the matrix.) 7 9 D 2 8 C ' 1 2 ' 5 9 Find DC. II It 9. DETAILS HARMATHAP1 2 3.2.01 1. Use the following matrices to perform the indicated operation, when possible. (If not possible, enter IMPOSSIBLE into any cell of the matrix.) 102 1140 A=724 B=5211 234 2013 FindBA. .. . It 10. DETAILS HARMATHAPIZ 3.2.015.Ml. Use the following matrices to perform the indicated operation, when possible. (If not possible, enter IMPOSSIBLE into any cell of the matrix.) 33.3; [103] A: E: 012 710 Find EAT