1.	Determine .
		A.	-8	B.	-4
		C.	-16	D.	-32
		Hint
	2.	If the area of a square is 225 square centimeters, what is its perimeter?
		A.	60	B.	45
		C.	15	D.	135
		Hint
	3.	Find the best integer estimate for .
		A.	-15	B.	-13
		C.	-17	D.	-11
		Hint
	4.	What is ?
		A.	1.25	B.	0.75
		C.	2.5	D.	3.0
		Hint
	5.	Find
		A.	-15	B.	15
		C.	14, -14	D.	15, -15
		Hint