Solve the problem. Round your answer to two decimal places.The distance to the horizon varies directly as the square root of the height above ground level of the observer. If a person can see 6 miles from a height of 25 feet, how far can a person see from a height of 49 feet?
A. 7.7 mi
B. 8.4 mi
C. 9.6 mi
D. 8.7 mi
Answer: B
Mathematics
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Estimate the sum or difference by first rounding as indicated.Estimate by first rounding to the nearest hundred.8377
A. 6700 B. 6800 C. 7000 D. 6733
Mathematics
Solve the problem.A rock falls from a tower that is 256 feet high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground 
Round to the nearest tenth, if necessary.
A. 16 sec B. 4 sec C. 4096 sec D. 15.5 sec
Mathematics
Change the decimal to a percent.4.4
A. 440% B. 44% C. 0.44% D. 0.0044%
Mathematics
Determine whether the number is divisible by 2, 3, 4, 5, 6, 7, 8, 9, and/or 10.40,940
A. 2, 5 B. 4, 5 C. 4, 5, 10 D. 2, 4, 5, 10
Mathematics