Find the integral using the indicated substitution.

Mathematics

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Evaluate if possible. If the expression is not a real number, so state.2434/5

A. 19,683 B. 81 C. 2187 D. 6561

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Mathematics

Express as a single logarithm and, if possible, simplify. log(t3 + 729) - log(t + 9)

A. log(t2 + 9t + 81)
B. log(t2 - 9t + 81)
C.
D. log(t3 - t + 729)

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Mathematics

Use a calculator to find the acute angle ?, to the nearest degree, that satisfies the equation.sin ? = 0.2

A. 0° B. 12° C. 19° D. 8°

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Mathematics

Simplify the expression. +  + x + 11

A. 14 + 
B. x + 13
C. x + 12 + 
D. x + 10 + 

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Mathematics