Multiply.(a - b)(a2 - ab - 9b2)
A. a3 - 2a2b - 10ab2 - 9b3
B. a3 - 8a2b + 9b3
C. a3 - 2a2b - 9ab2 + 9b3
D. a3 - 2a2b - 8ab2 + 9b3
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
E. none of these
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Graph the exponential function.f(x) = (
)x 
A. 
B. 
C. 
D. 
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Provide an appropriate response.Simplify: 
3
Fill in the blank(s) with the appropriate word(s).
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Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.b = 20, c = 25
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Mathematics