Perform the indicated operations and simplify the result. Leave the numerator and denominator in your answer in factored form.

A.
B. x2 + 9
C. 9
D.

Answer: A

Mathematics

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Classify the quantity as a constant or a variable.The number of yards in a mile

A. Constant B. Variable

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Using the graph of the ellipse, determine the coordinates of the foci, vertices, and center.

A. Foci (± , 0), vertices (± 3, 0), center (0, 0)
B. Foci (± , 0), vertices (± 4, 0), center (0, 0)
C. Foci (± 3, 0), vertices (± 4, 0), center (, 0)
D. Foci (± 4, 0), vertices (± , 0), center (0, 0)

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Solve the logarithmic equation. Give an exact answer.log2 4 - log2 x = 4

A.
B.
C.
D.

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Simplify the radical expression. Assume that all variables represent nonnegative real numbers.( - ) ( - )

A.  +  -  + 3
B.  -  -  + 3
C.  -  -  + 3
D.  -  -  + 

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Mathematics