Write the expression in exponent form.(9)(9)(9)(9)(9)

A. 95
B. 9? 5
C. 59
D. 99


Answer: A

Mathematics

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Find the exact value of the expression.csc-1(-1)

A. - 
B.
C. - 
D. ?

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Solve the equation.0.2(9 + t) = 4.2t + 0.8

A. 0.45 B. 0.05 C. 1.05 D. 0.25

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Multiply.(x + 8)(x - 8)(3x + 3)

A. 3x3 - 45x2 + 144x + 192 B. 3x3 + 51x2 + 240x + 192 C. 3x3 + 3x2 + 192x + 192 D. 3x3 + 3x2 - 192x - 192

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Find the domain of the variable in the equation. Write the answer in interval notation. = x2 + 1

A. (-?, 3) ? (3, ?) B. (-?, 4) ? (4, ?) C. (0, ?) D. (-?, 0) ? (0, ?)

Mathematics