Determine the approximate area of the given circle, using 3.14 for ?. Round the answer to the nearest hundredth.

A. 56.52 yd2
B. 254.34 yd2
C. 28.26 yd2
D. 63.585 yd2

Answer: D

Mathematics

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Evaluate the integral.

A. e^-x⁷ + C
B. -7e^-x⁸ + C
C. - e^-x⁷ + C
D. - e^-x⁸ + C

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Solve the problem.At an altitude of 3,500 ft, the engine on a small plane fails. What angle of depression is needed to reach an airport runway that is 3 miles away by land? (Round your answer to the nearest tenth of a degree.)

A. 13.5° B. 12.5° C. 90° D. 89°

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Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = x4 + 10x3 + 3x2 + 23x - 70; x + 10

A. Yes B. No

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Solve the equation on the interval 0 ? ? < 2?.tan (2?) - tan ? = 0

A. , , , , , ,
B. ,
C. 0, ?
D. 0

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Mathematics