Simplify.
A. 10
B. 5
C. 
D. 
Answer: C
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Simplify the expression by multiplying. 2(-4ab)
A. 2ab B. -2ab C. 8ab D. -8ab
Solve the problem.A pier 1250 meters long extends at an angle from the shoreline. A surveyor walks to a point 1500 meters down the shoreline from the pier and measures the angle formed by the ends of the pier. If is found to be 53°. What acute angle (correct to the nearest tenth of a degree) does the pier form with the shoreline? Is there more than one possibility? If so, how can we know which is the correct one?
What will be an ideal response?
Provide an appropriate response.Find the exact length of the missing side in the right triangle. Then use a calculator to approximate the length to the nearest thousandth.
A. 
km; 9.110 km
B. 
km; 212.501 km
C. 
km; 212.501 km
D. 
km; 20.616 km
Compute the compound interest.Sven invested $2500 at 5% compounded annually. How much will be in the account in 9 years? Round to the nearest cent.
A. $2595.33 B. $1378.32 C. $2500.52 D. $3878.32