1.	Determine .
		A.	-8	B.	-16
		C.	-32	D.	-4
		Hint
	2.	Find the best integer estimate for .
		A.	-13	B.	-11
		C.	-15	D.	-17
		Hint
	3.	What is ?
		A.	0.75	B.	2.5
		C.	1.25	D.	3.0
		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.	113.1 mi	B.	138.0 mi
		C.	152.4 mi	D.	127.9 mi
		Hint
	5.	Find
		A.	15	B.	-15
		C.	14, -14	D.	15, -15
		Hint