Solve the problem.A guard tower at a state prison stands 84 feet tall. How far can a guard see from the top of the tower? Use the fact that the radius of the Earth is 3960 miles and 1 mile = 5280 feet. Round to the nearest tenth of a mile.
A. 11.2 mi
B. 820 mi
C. 15.9 mi
D. 5600.3 mi
Answer: A
Mathematics
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A. 0.8 m B. 1.0 m C. 1.2 m D. 0.6 m
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Solve the equation for x.y = -5 sin 8x
A. x = 
arcsin 
B. x = 
arcsin 
C. x = 
arcsin 
D. x = 
arcsin 
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Answer the question.How many 11 letter strings can be formed with the letters D , E , F , and G , if each letter can be used more than once?
A. 4,194,264 B. 4,194,504 C. 4,194,384 D. 4,194,304
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Find the real or imaginary solutions by using the quadratic formula.4x2 + 6 = x
A. 
B. 
C. 
D. 
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