Solve by factoring and using the principle of zero products.x(x - 2) = 80
A. 8, 10
B. 8, -10
C. 0, 2
D. -8, 10
Answer: D
Mathematics
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Find the indicated derivative.Find y " if y = 5 sin x.
A. y " = - 5 sin x B. y " = 5 sin x C. y " = 5 cos x D. y " = 25 sin x
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Refer to the weighted voting system 
and the Shapley-Shubik definition of power. (The five players will be called P1, P2, P3, P4, and P5.)In how many sequential coalitions is player P1 pivotal?
A. 36 B. 24 C. 12 D. 6 E. none of these
Mathematics
Solve the inequality.(x - 3)(x2 + x + 1) >
A. (-?, -1) or (1, ?) B. (3, ?) C. (-?, 3) D. (-1, 1)
Mathematics
Use radical notation to write the expression. Do not simplify.(x + 5)1/2
A. 
B. z + 
C. 
D. 
+ 
Mathematics