Multiply.(8n6 + 9)(8n6 - 9)
A. 64n12 - 72n6 - 81
B. 64n12 + 81
C. 8n12 - 81
D. 64n12 - 81
Answer: D
Mathematics
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Graph the polar equation.r = 6 - cos ?
A. 
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Answer the question.The length of a rectangle is three inches more than the width. The area of the rectangle is 304 inches. If x represents the width, what are the restrictions on x?
A. 3 < x < 304
B. 0 < x < 
C. -3 < x < 
D. 3 < x < 
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Find the solution set of the equation. If the equation has no solution write ? and if the equation is an identity so state.
= 
A. {2} B. {0} C. {-4} D. {4}
Mathematics