1.	Simplify . Assume the denominator is not equal to zero.
		A.		B.
		C.		D.
		Hint
	2.	Simplify . Assume the denominator is not equal to zero.
		A.		B.
		C.		D.
		Hint
	3.	Simplify Assume the denominator is not equal to zero.
		A.	5xy8	B.	5xy2
		C.	1	D.
		Hint
	4.	Simplify .
		A.		B.
		C.		D.
		Hint
	5.	Simplify .
		A.	x2y2	B.	x3y2
		C.	x2y	D.	x3y
		Hint