Simplify. Assume that all variables represent positive numbers. 

A. 64x2 + 16x + 1
B. 2x + 1
C. 8x + 1
D. (8x + 1)2

Answer: C

Mathematics

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A. n + 256 B. 256n2 + 32n + 256 C. n2 + 32n + 256 D. n2 + 256

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The point P(x, y) on the unit circle that corresponds to a real number t is given. Find the values of the indicated trigonometric function at t.?Find csc t.

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B. - 
C. - 
D.

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