Simplify the expression.

A. tan2 ?
B. sin ?
C. sec2 ?
D. cos3 ?

Answer: B

Mathematics

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Write the rational expression in lowest terms.

A.
B.
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Find the average rate of change illustrated in the graph.     Usage (in minutes)

A. $4.00 per minute B. $0.25 per minute C. $2.00 per minute D. $0.50 per minute

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Solve.Use the following graph to solve -x2 - 3x + 10 = 0.y = -x2 - 3x + 10

A. 10 B. -10 C. -2, 5 D. 2, -5

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Find the center (h, k) and radius r of the circle with the given equation. x2 - 12x + 36 + y2 + 4y + 4 = 16

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