Use a calculator to find the approximate value. Express your answer in degrees rounded to two decimal places.arctan 14.9
A. 86.16°
B. -86.16°
C. 64.62°
D. 43.08°
Answer: A
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Evaluate the integral.
A. Diverges
B. 
C. 1
D. 
Provide an appropriate response.If the seller is to pay the shipping costs, the bill of lading will be marked "freight collect."
A. True B. False
Solve the problem.A stone is thrown into a pond. A circular ripple is spreading over the pond in such a way that the radius is increasing at the rate of 2.6 feet per second. Find a function, r(t), for the radius in terms of t. Find a function, A(r), for the area of the ripple in terms of r. 
A. (A ? r)(t) = 2.6?t2 B. (A ? r)(t) = 5.2?t2 C. (A ? r)(t) = 6.76?2t D. (A ? r)(t) = 6.76?t2
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.
A. 9
B. 10
C. 10
D. 13