Problem #4: Let [2 marks] a UI 3 A and B = b 2 4 9 4 3 5 7 24 Find the values of a and b if AB = 6 58 Enter the values of a and b into the answer box below, separated with a comma. Problem #4: Save Problem #5: Suppose that A is p x 2, Bis n x m, C is 5 x q, and CBA is 8 x 7. What is the value of q? [2 marks] Problem #5: Save