Factor the binomial completely.50a4b - 32b3
A. 2b(5a - 4b)2
B. 2b(5a2 + 4b)(5a2 - 4b)
C. (10a + 8b)(5ab - 4b2)
D. 2b(5a + 4b)2
Answer: B
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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 x = 5
, x = - 5y, and y = 1 about the line y = 1
A. 
?
B. 
?
C. 5?
D. 
?
Find absolute maximum and minimum values of the function, if they exist, over the indicated interval. Where no interval is specified, use the real line. List your answers in terms of ordered pairs.
Factor.72x7y9 + 60x5y5 + 36x2y2
A. 12(6x7y9 + 5x5y5 + 3x2y2) B. No common factor C. 12x2(6x5y9 + 5x3y5 + 3y2) D. 12x2y2(6x5y7 + 5x3y3 + 3)
Use a calculator to find the value of y in degrees rounded to two decimal places.y = csc-1 (-2.69)
A. 68.17° B. -20.39° C. 20.39° D. -21.82°