1.	Simplify x3y0z-2.
		A.	-x3yz2	B.
		C.		D.	0
		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.
		C.		D.	-b2
		Hint
	4.	The area of the rectangle shown below is 4x3y2, and its base b is 2x5y. Find the height, h.
		A.		B.	8x8y3
		C.	2x2y	D.
		Hint
	5.	Simplify .
		A.	x24y19	B.	x3y3
		C.	x26y3	D.	x6y3
		Hint