Simplify.(z9x9)-5

A.
B.
C. z4x4
D. z14x14


Answer: B

Mathematics

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Solve the equation.2(y + 8) = 3(y - 8)

A. -40 B. 40 C. 8 D. -8

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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = ,   < ? < 2?Find sin (2?).

A. - 
B.
C.
D. - 

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Solve.25x + 6 = 3125x

A.
B.
C.
D.

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Give the amplitude or period as requested.Amplitude of f(x) =  cos 3x

A. 3
B.
C.
D.

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