1.	Write the fourth root of 625.
		A.	6254	B.	4(625)
		C.	5	D.
		Hint
	2.	The volume of the cube is 512 cubic centimeters. What is the length of one side?
		A.	23 cm	B.	8 cm
		C.	170 cm	D.	256 cm
		Hint
	3.	Find
		A.	9y	B.	9y2
		C.	9|y3|	D.	81y
		Hint
	4.	Simplify
		A.	±84.5	B.	±13
		C.	-13	D.	13
		Hint
	5.
		A.	x2	B.	|x5|
		C.	x	D.	|x|
		Hint