1.	Name the property shown by the statement (4 + x) + y = 4 + (x + y).
		A.	Commutative Property of Multiplication	B.	Associative Property of Multiplication
		C.	Associative Property of Addition	D.	Commutative Property of Addition
		Hint
	2.	Name the property shown by the statement 12 + 13 = 13 + 12.
		A.	Commutative Property of Addition	B.	Closure Property of Whole Numbers
		C.	Associative Property of Addition	D.	Associative Property of Multiplication
		Hint
	3.	Name the property shown by the statement: If 3 and 6 are whole numbers and 3 · 6 = 18, then 18 is a whole number.
		A.	Closure Property of Whole Numbers	B.	Associative Property of Multiplication
		C.	Commutative Property of Whole Numbers	D.	Commutative Property of Addition
		Hint
	4.	Simplify the expression 4n + (5 + n).
		A.	9n	B.	3n + 6
		C.	5n + 5	D.	8n + 5
		Hint
	5.	Simplify the expression 6 · (3x · 4 · 2x).
		A.	18x2 + 3	B.	72x2
		C.	12 + 6x	D.	144x2
		Hint