Solve the logarithmic equation.log4 (x - 2) + log4 (x - 2) = 1

A.
B. -, 
C. -4, 4
D. 4

Answer: D

Mathematics

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Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 4  + 2xy 

A. 6xy5
B. 6x2y5
C. 10 xy4
D. 10x2y4

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Simplify.

A.
B.
C.
D.

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Mathematics

Find the indicated term for the arithmetic sequence with first term, a1, and common difference, d.Find a100, where a1 = -90 and d = 5.

A. 415 B. 585 C. 410 D. 405

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Use a calculator to find the trigonometric values. Express your answers in hundredths.cos 9°

A. 0.91 B. 0.99 C. -0.99 D. -0.91

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Mathematics