1.	Simplify x3y0z-2.
		A.		B.	-x3yz2
		C.	0	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.		B.	-b2
		C.		D.
		Hint
	4.	The area of the rectangle shown below is 4x3y2, and its base b is 2x5y. Find the height, h.
		A.	8x8y3	B.	2x2y
		C.		D.
		Hint
	5.	Simplify .
		A.		B.
		C.		D.
		Hint