1.	An example of the Commutative Property of Addition is ______________.
		A.	2 · 4 = 4 · 2
		B.	2 + (4 + 6) = (2 + 4) + 6
		C.	2 + 4 = 4 + 2
		D.	2(4 · 6) = (2 · 4)6
		Hint
	2.	Simplify (p + 16) + 24.
		A.	40p	B.	p + 40
		C.	16p + 24	D.	p + (16 · 24)
		Hint
	3.	Simplify 6 + b + 3.
		A.	3 + b	B.	9b
		C.	b + 9	D.	9
		Hint
	4.	Simplify (r + 6) + 27.
		A.	6r + 27	B.	r + 33
		C.	r + 21	D.	33r
		Hint
	5.	Which is not a valid property?
		A.	All of these are valid.
		B.	Associative Property of Addition
		C.	Associative Property of Multiplication
		D.	Associative Property of Subtraction
		Hint