Solve the problem. Give an exact answer and an approximation to the nearest tenth.The diagram below shows a rope connecting the top of a pole to the ground. How tall is the pole?
A. 
yd ? 17.8 yd
B. 
yd ? 1.7 yd
C. 
yd ? 8.7 yd
D. 
yd = 37.5 yd
Answer: C
Mathematics
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Identify the equation as either an identity or not.
= cos x + cot x
A. Identity B. Not an identity
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Solve the problem.John does 8 pushups on the first day of a 30-day month, and then increases the number of pushups by 3 pushups a day. How many pushups has he done by the end of the month?
A. 1545 B. 1635 C. 1537 D. 1590
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Choose a solution of the differential equation.
?
?
A. ?
B. ?
C. ?
D. ?
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Use algebraic and/or graphical methods to solve the inequality.
> 0
A. x > - 
B. x > 0
C. x < 
D. x < - 
Mathematics