Multiply.(a - b)(a2 - ab - 6b2)
A. a3 - 2a2b - 7ab2 - 6b3
B. a3 - 5a2b + 6b3
C. a3 - 2a2b - 5ab2 + 6b3
D. a3 - 2a2b - 6ab2 + 6b3
Answer: C
Mathematics
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A. 
dx
B. 
dx
C. 
dx
D. 
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Solve the problems.All 39 of the students in a mathematics class attended class on Monday. On Tuesday only 27 students attended. What was the percent of decrease? Round to the nearest tenth of a percent.
A. 30.8% B. 55.6% C. 44.4% D. 69.2%
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Find the zeros of f(x), given that one zero is k.f(x) = x4 - 6x3 + 3x2 + 24x - 28
k = 2
A. ±2, 3 ± 
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C. ±2, 3 ± 2i
D. ±2, -3 ± 
i
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Use the quadratic formula to solve the equation.(x + 8)(x - 1) = 7
A. 
B. 
C. 
D. 
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