1.	Find the dimensions of A6 × 3 · B3 × 1.
		A.	6 × 1	B.	3 × 3
		C.	3 × 1	D.	6 × 3
		Hint
	2.	Find
		A.		B.
		C.		D.
		Hint
	3.
		A.		B.	[10 37]
		C.		D.
		Hint
	4.	Given that and use the fact that to find AB + AC.
		A.		B.
		C.		D.
		Hint
	5.	Which of the following properties does not hold for matrices?
		A.	associative property of multiplication
		B.	commutative property of multiplication
		C.	right distributive property
		D.	left distributive property
		Hint