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.
		Hint
	4.	Simplify . Assume the denominator is not equal to zero.
		A.		B.
		C.		D.
		Hint
	5.	Simplify .
		A.	x3y3	B.	x26y3
		C.	x6y3	D.	x24y19
		Hint