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.	-b2	D.
		Hint
	3.	Simplify Assume the denominator is not equal to zero.
		A.		B.	5xy8
		C.	5xy2	D.	1
		Hint
	4.	The area of the rectangle shown below is 4x3y2, and its base b is 2x5y. Find the height, h.
		A.	8x8y3	B.
		C.	2x2y	D.
		Hint
	5.	Simplify .
		A.		B.
		C.		D.
		Hint