Simplify.4[(8 - 4)2 + (21 - 19)2] + 15

A. 4
B. 95
C. 140
D. 65

Answer: B

Mathematics

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Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded above by the line 3x + y = 6, below by the x-axis, and on the left by the y-axis, about the line x = -2

A. 5? B. 64? C. 32? D. 24?

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Mathematics

Multiply and simplify. ? 

A.
B.
C. x - 3
D. x + 3

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Mathematics

Find a parametric equation for the parabola described.Focus (-8, 10), directrix x = -2

A. y = - t2 + 10, x = t - 5
B. x = - t2 + 5, y = t - 10
C. x = - t2 - 5, y = t + 10
D. x = t2 - 5, y = t + 10

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Mathematics

Solve for x. + 3 = 10

A. x = - , 
B. no real solution
C. x = - , 
D. x = - 8, 

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Mathematics