Factor the expression completely. If the polynomial will not factor, write "prime."6x2 - 18xy - 24y2
A. (x - y)(6x + 18y)
B. 6(x - y)(x + 4y)
C. 6(x + y)(x - 4y)
D. (6x - 6y)(x + 4y)
Answer: C
Mathematics
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at 
and 
. The cross sections perpendicular to the x-axis between these planes are squares whose bases run from the semicircle 
to the semicircle 
.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the integral.
A. 3
B. 3
C. 3(e?/4 - e-?/4 )
D. 0
Mathematics
Simplify.(x6y8z8)3(x8y9z5)5
A. 2x582y692z49 B. x58y69z49 C. x720y1080z600 D. x116y138z98
Mathematics
Give the name of the surface.
A. Right rectangular prism B. Oblique rectangular cylinder C. Rectangular pyramid D. Oblique rectangular prism
Mathematics