If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth. Variables represent any real number.-

A. -x9
B. x9
C. -x8
D. -x24


Answer: A

Mathematics

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Find the indicated trig function of ?, if ? is an angle in standard position with the terminal side defined by the given point.Given (6.5, 8.7); Find cot ?.

A. 0.8 B. 0.7 C. 0.6 D. 1.3

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Find the missing length in the right triangle. Simplify the answer if necessary.

A. b = 2
B. b = 8
C. b = 8
D. b = 2

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Provide an appropriate response.The total number of reported cases of AIDS in the United States has risen from 372 in 1981 to 100,000 in 1989 and 200,000 in 1992. Does a linear equation fit this data? Explain.

What will be an ideal response?

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Write an equation of the tangent line to the graph of y = f(x) at the point on the graph where x has the indicated value.f(x) = (4x2 - 5x - 2)(-2x - 3), x = 0

A. y = x - 6
B. y = x + 6
C. y = 19x + 6
D. y = 19x - 6

Mathematics