Question 12: (5 points) Use the matrices below to perform matrix multiplication. 2 3 11 B:[ 331?]. s 3 1 _ 0 7 711 If the operation is undefined, enter NA' Hint: To create a matrlx in Mobius, click on the icon that has three rows of three dots 7 it's next to the infinity symbol. Specify the appropriate number of rows (horizontal) and columns (vertical). BD