1.	Determine .
		A.	-16	B.	-8
		C.	-32	D.	-4
		Hint
	2.	What is the best integer estimate for ?
		A.	9	B.	8
		C.	7	D.	10
		Hint
	3.	If the area of a square is 225 square centimeters, what is its perimeter?
		A.	135	B.	45
		C.	15	D.	60
		Hint
	4.	If a mountain climber is standing on the peak of a mountain 15,600 above the ground, about how far can the mountain climber see?
		A.	127.9 mi	B.	138.0 mi
		C.	152.4 mi	D.	113.1 mi
		Hint
	5.	Use a calculator to find Round your solution to the nearest tenth.
		A.	8.9, -8.9	B.	-9.1
		C.	-8.3	D.	-8.9
		Hint