1.	Find
		A.		B.
		C.		D.
		Hint
	2.	Determine whether the number is rational or irrational.
		A.	neither	B.	irrational
		C.	both	D.	rational
		Hint
	3.	Simplify .
		A.		B.
		C.		D.
		Hint
	4.	Simplify
		A.		B.
		C.		D.
		Hint
	5.	Evaluate.
		A.	–6	B.	6
		C.	8	D.	5
		Hint