1.	Determine .
		A.	-8	B.	-4
		C.	-16	D.	-32
		Hint
	2.	What is the best integer estimate for ?
		A.	9	B.	10
		C.	8	D.	7
		Hint
	3.	If the area of a square is 225 square centimeters, what is its perimeter?
		A.	15	B.	135
		C.	45	D.	60
		Hint
	4.	What is ?
		A.	2.5	B.	1.25
		C.	3.0	D.	0.75
		Hint
	5.	Use a calculator to find Round your solution to the nearest tenth.
		A.	-8.3	B.	8.9, -8.9
		C.	-8.9	D.	-9.1
		Hint