Find the volume of the solid generated by revolving the shaded region about the given axis.About the y-axis

A. ?
B. ?
C. 18?
D. ?


Answer: D

Mathematics

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Factor the trinomial completely. If the polynomial cannot be factored, write "prime."x4 - 3x2 - 54

A. (x2 - 54)(x2 + 1) B. (x2 - 9)(x2 + 6) C. (x2 + 9)(x2 - 6) D. prime

Mathematics

Find a parametrization for the line segment beginning at P1 and ending at P2.P1(-3, 0, 5) and P2(0, -3, 0)

A. x = 3t - 3, y = -3t, z = -5t + 5, 0 ? t ? 1 B. x = 4t, y = 4t - 3, z = -4t, 0 ? t ? 1 C. x = -3t, y = 3t - 3, z = 5t, 0 ? t ? 1 D. x = 4t - 3, y = 4t, z = -4t + 5, 0 ? t ? 1

Mathematics

Factor out the largest possible common factor.72x9y9 - 80x5y5 - 48x2y3

A. 8(9x9y9 - 10x5y5 - 6x2y3) B. 8x2y3(9x7y6 - 10x3y2 - 6) C. 8x2(9x7y9 - 10x3y5 - 6y3) D. -8x2y3(-9x7y6 - 10x3y2 + 6)

Mathematics

Combine. Assume that all variables represent non-negative real numbers.3  + 6

A. 9 
B. 9
C. 9
D. 3

Mathematics