Solve the problem.Find the exact value of x in the figure.

A. 11
B.
C.
D. 11

Answer: C

Mathematics

Calculate the arc length of the indicated portion of the curve r(t).r(t) = (9t sin t + 9 cos t)i + (9 t cos t - 9 sin t)j ; -2 ? t ? 5

A. 189 B. 130.5 C. 261 D. 94.5

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Mathematics

Simplify. Write the answer using positive exponents only. Leave the answer in exponential notation.

A.
B.
C. 9x⁶y⁷
D. 9x¹¹y¹⁸

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Mathematics

Solve the equation.3(3x + 3) - 8 = 4x - 4

A. -5 B. 1 C. -1 D. -25

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Mathematics

Name the quadrant, if any, in which the point is located.(x, y) if x = -y and y > 6

A. I B. II C. III D. None

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Mathematics