Use a commutative property to complete the statement.-5 ? x =

A. 5 - x
B. x - (5)
C. x ? (-5)
D. 5 ? x


Answer: C

Mathematics

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Solve the problem.The region between the curve y =  and the x-axis from  to  is revolved about the y-axis to generate a solid. Find the volume of the solid.

A. 4? ln 5 B. 2? ln 5 - ? C. 2? ln 5 D. ? ln 5 - ?

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Find the vertices and the foci of the given ellipse. +  = 1

A. V: (0, -10), (0, 10); F: (-6, 0), (6, 0) B. V: (0, -10), (0, 10); F: (0, -8), (0, 8) C. V: (-10, 0), (10, 0); F: (-8, 0), (8, 0) D. V: (-10, 0), (10, 0); F: (0, -6), (0, 6)

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Divide:

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Collect like terms.-  + 12y + y - 7 + y

A. y + 6
B. 13y -  
C. 13 - 6
D.  y

Mathematics