1.	Determine .
		A.	-32	B.	-4
		C.	-16	D.	-8
		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.	135	B.	60
		C.	15	D.	45
		Hint
	4.	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
	5.	Estimate to the nearest whole number.
		A.	8	B.	7
		C.	9	D.	6
		Hint