1.	To what set of numbers does belong?
		A.	rationals	B.	whole numbers
		C.	irrationals	D.	integers
		Hint
	2.	Simplify .
		A.		B.
		C.		D.
		Hint
	3.	Simplify
		A.		B.
		C.		D.	72
		Hint
	4.	Write and in order from least to greatest.
		A.
		B.
		C.
		D.
		Hint
	5.	Find the result of
		A.		B.
		C.		D.
		Hint