Solve the linear equation.7(y + 3) - 4(2y - 4) = 37

A. -5
B. 37
C. -37
D. 0


Answer: D

Mathematics

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Set up a definite integral that gives the arc length of the given curve.x = sin 2t, y = cos t, 0 ? t ? 

A.
B.
C.
D.

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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region bounded by y = 3, y = 3, and x = 0 about the line x = 1

A. ?
B. ?
C. ?
D. ?

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Use a power-reducing identity to find the exact value of the expression.sin2 (165°)

A.
B.
C.
D.

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Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = 4x6 - 2x4 - 6x3 + 7x2 - 2x

A. 1 or 3 positive; 2 negative B. 0 or 2 positive; 0 negative C. 0 or 2 positive; 1 or 3 negative D. 1 or 3 positive; 0 or 2 negative

Mathematics