Add or subtract as indicated.(2 - 4x4 + 5x6 - 2x5) + (7x5 + 8x4 - 9 + 6x6)
A. 9x6 + 9x5 - 4x4 + 4
B. 11x6 + 5x5 + 4x4 - 7
C. 20x30 - 7
D. 11x12 + 5x10 + 4x8 - 7
Answer: B
Mathematics
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A. 2 B. 30 C. -2 D. 8
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Solve the problem.A window washer accidentally drops a bucket from the top of a 144-foot building. The height h of the bucket after t seconds is given by 
When will the bucket hit the ground?
A. 3 sec B. 48 sec C. -3 sec D. 9 sec
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Find the domain of the function. Express the answer in interval notation.f(x) = 
A. [8, ?) B. [-8, ?) C. (-?, 8) D. (-?, -8)
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Evaluate. 
3
A. 
B. - 
C. 
D. - 
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