Solve the problem.A patio has an area of 3m3 + 20m2 + 11m - 56. Find the length if the width is 3m + 8.
A. m2 + 4m - 7
B. m3 + 4m2 - 7m
C. m2 + 14m - 7
D. m2 - 4m + 7
Answer: A
Mathematics
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, v = 
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, evaluate (u + v) ? w.
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A right triangle with acute angle ? is given. Evaluate the indicated trigonometric function of the acute angle ?.Find cos ?.
A. 
B. 
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D. 
Mathematics