1.	Estimate .
		A.	10	B.	9
		C.	8	D.	11
		Hint
	2.	The distance you can see to the horizon can be estimated by using the formula . In the formula, d represents the distance you can see in miles, and h represents the height your eyes are from the ground in feet. Suppose when you are standing on the ground your eyes are about 4.1 feet above ground level. About how far can you see to the horizon?
		A.	9.76 miles	B.	4.88 miles
		C.	2.47 miles	D.	1.22 miles
		Hint
	3.	Estimate to the nearest whole number.
		A.	4	B.	5
		C.	6	D.	7
		Hint
	4.	Estimate .
		A.	24	B.	26
		C.	25	D.	27
		Hint
	5.	On a clear day, the distance in miles that you can see to the horizon is about 1.23 × , where h represents the height of your eyes above the ground in feet. Estimate the distance you can see if your eyes are 98 feet above ground.
		A.	11 miles	B.	10 miles
		C.	13 miles	D.	12 miles
		Hint