Solve. Use the fact that the radius of the Earth is 3960 miles and 1 mile = 5280 feet.A guard tower at a state prison stands 110 feet tall. How far can a guard see from the top of the tower? Round to the nearest tenth of a mile.
A. 18.2 mi
B. 12.8 mi
C. 939.8 mi
D. 5,600.3 mi
Answer: B
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Find the velocity vector in terms of ur and u?.r = a(8 - cos ?) and 
= 9
A. v = (9a sin ?)ur + 9a(8 - cos ?)u? B. v = (9a cos ?)ur + 9a(8 - sin ?)u? C. v = 9a(8 - cos ?)ur + (9a sin ?)u? D. v = (8a sin ?)ur + 8a(9 - cos ?)u?
Find the standard divisor for the given situation. Round your answer to two decimals.A small country consists of 7 provinces with the following populations: 
There are 200 federal judges to be apportioned according to the population of each province.
A. 755.6 B. 960.59 C. 880.38 D. 1123.98
Determine whether or not the triangles are similar.
A. Not similar B. Similar
Write the integer that corresponds to the situation.The height of the mountain was 13,480 feet.
A. -13,480 feet B. 13,480 feet