1.	Determine .
		A.	-16	B.	-32
		C.	-8	D.	-4
		Hint
	2.	If the area of a square is 225 square centimeters, what is its perimeter?
		A.	135	B.	15
		C.	45	D.	60
		Hint
	3.	Find the best integer estimate for .
		A.	-17	B.	-13
		C.	-15	D.	-11
		Hint
	4.	Use a calculator to find Round your solution to the nearest tenth.
		A.	8.9, -8.9	B.	-8.9
		C.	-9.1	D.	-8.3
		Hint
	5.	Estimate to the nearest whole number.
		A.	9	B.	7
		C.	8	D.	6
		Hint