1.	Find .
		A.	10	B.	11
		C.	12	D.	13
		Hint
	2.	Determine .
		A.	-16	B.	-32
		C.	-8	D.	-4
		Hint
	3.	What is the best integer estimate for ?
		A.	10	B.	8
		C.	7	D.	9
		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.	127.9 mi	D.	152.4 mi
		Hint
	5.	Estimate to the nearest whole number.
		A.	9	B.	6
		C.	8	D.	7
		Hint