
	1.	Find
		A.		B.
		C.		D.
		Hint

	2.
		A.		B.	[10 37]
		C.		D.
		Hint

	3.	State whether the product of A_{3 × 4} and B_{3 × 4} is defined, and if it is defined, state the dimensions.
		A.	undefined	B.	defined, 9 × 16
		C.	defined, 4 × 3	D.	defined, 3 × 4
		Hint

	4.	Find the product of
		A.
		B.
		C.
		D.
		Hint

	5.	Given that and use the fact that to find AB + AC.
		A.		B.
		C.		D.
		Hint