Find the area of triangle ABC (see the figure) with the given information. Round to the nearest tenth. ? = 36.2°, b = 11.5, a = 13.2

A. 70
B. 39.1
C. 75.9
D. 44.8

Answer: A

Mathematics

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Find the area of the specified region.Shared by the circle r = 3 and the cardioid r = 3(1 + sin ?)

A. (5? - 8)
B. (5? + 8)
C. 0
D. 9

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Solve the exponential equation. Use a calculator to approximate the solution to the nearest thousandth.2 = e3 - x

A. x ? 2.301 B. x ? 1.307 C. x ? 2.693 D. x ? 1.699

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Graph the ellipse and locate the foci. +  = 1

A. foci at (2, 0) and (-2, 0)

B. foci at (0, 2) and (0, -2)

C. foci at (, 0) and (-, 0)

D. foci at (2, 0) and (-2, 0)

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Divide and simplify. Assume that all expressions under radicals represent positive numbers.

A. 125x2y3
B. 5x2y3
C. 125x5y8
D. 5x2y3

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