Solve the problem.A building 150 feet tall casts a 70 foot long shadow. If a person stands at the end of the shadow and looks up to the top of the building, what is the angle of the person's eyes to the top of the building (to the nearest hundredth of a degree)? (Assume the person's eyes are 5 feet above ground level.)
A. 61.13°
B. 28.87°
C. 64.98°
D. 64.23°
Answer: D
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Perform the indicated operation.Let C = 
. Find (1/2) C.
A. 
B. 
C. 
D. 
Solve the problem. Round the answer to the nearest tenth, if necessary.A long-distance runner runs 4 miles south and then 7 miles east. How far is the runner from the starting point?
A. 5.5 mi B. 8.1 mi C. 4.05 mi D. 32.5 mi
Divide, and round the quotient as indicated.Divide 861.61 by 0.09 and round the quotient to the nearest thousandth.
A. 9573.944 B. 9573.444 C. 957.394 D. 957.344
Solve the problem.An exam consists of 9 multiple-choice questions and 6 essay questions. If the student must answer 7 of the multiple-choice questions and 4 of the essay questions, in how many ways can the questions be chosen?
A. 540 B. 65,318,400 C. 1512 D. 261,273,600