Multiply.(x - 3)(x - 3)(x - 3)
A. x3 - 9x2 + 9x - 27
B. x3 - 9x2 + 15x - 27
C. x3 - 3x2 + 15x - 27
D. x3 - 9x2 + 27x - 27
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Use a proportion to solve the problem.The ratio of the width to the length of a picture frame is 8 to 13. If the width of the frame is 9 inches, what is its length?
A. 14.625 inches B. 22 inches C. 5.5 inches D. 17 inches
Mathematics
Find another name for the given number, but with the denominator indicated.
= 
A. 
B. 
C. 
D. 
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Simplify. Assume that all variables represent positive real numbers.
A. 5k3q4
B. 5q4
C. 5k7q8
D. 5k3q4
Mathematics