Find the product.3x5(-8x - 10)
A. -24x6 - 30x5
B. -24x5 - 30
C. 24x6 + 30x5
D. -54x6
Answer: A
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Solve the problem.Sheila, Susan, and Rosie want to divide a cake fairly using the lone chooser method. The chooser, Rosie, was determined by drawing straws. Sheila and Susan agreed that Sheila would make the division of the cake. Assuming that each of them plays the game correctly, which of the following statements [A), B), C) or D)] cannot be true?
A. Rosie believes that her share is worth 2/3 of the cake; Susan believes that her share is worth 1/2 of the cake; Sheila believes that her share is worth 1/3 of the cake. B. Rosie believes that her share is worth 1/3 of the cake; Susan believes that her share is worth 1/2 of the cake; Sheila believes that her share is worth 1/3 of the cake. C. Rosie believes that her share is worth 1/3 of the cake; Susan believes that her share is worth 1/3 of the cake; Sheila believes that her share is worth 2/3 of the cake. D. Rosie believes that her share is worth 1/3 of the cake; Susan believes that her share is worth 1/3 of the cake; Sheila believes that her share is worth 1/3 of the cake. E. none of these
Find the length of the curve.x = 3 sin t - 3t cos t, y = 3cos t + 3t sin t, 0 ? t ? 
A. 
?2
B. 
?
C. 
?2
D. 
?2
Multiply or divide, as indicated. Simplify the answer.
A. 
B. - 
i
C. - 
D. 
i
Provide an appropriate response.If f(x) represents the percent of college students in the United States who own a laptop computer and g(x) represents the number of college students in the United States, with x equal to the number of years from 2010, then what function represents the number of college students in the United States with laptop computers, with x equal to the number of years from 2010?
A. (g ? f)(x) B. (f ? g)(x) C. (f + g)(x) D. (f ? g)(x)