1.	If the area of a square is 225 square centimeters, what is its perimeter?
		A.	45	B.	135
		C.	15	D.	60
		Hint
	2.	Find the best integer estimate for .
		A.	-13	B.	-17
		C.	-15	D.	-11
		Hint
	3.	What is ?
		A.	3.0	B.	2.5
		C.	1.25	D.	0.75
		Hint
	4.	Find
		A.	15, -15	B.	15
		C.	-15	D.	14, -14
		Hint
	5.	Estimate to the nearest whole number.
		A.	6	B.	9
		C.	8	D.	7
		Hint