Simplify the expression. Assume that all variables are non-negative.

A. x6
B. x7
C. x7
D. x6

Answer: A

Mathematics

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Evaluate the line integral along the curve C.ds, C is the curve r(t) = (-7 - t)i - j + (-7 - t) k,  0 ? t ? 1

A.
B.
C.
D.

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Mathematics

Provide an appropriate response.Write 3 gal 7 qt 8 pt in standard notation.

A. 3 gal 7 qt 4 pt B. 5 gal 3 qt C. 5 gal 11 qt D. 3 gal 11 qt

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Mathematics

Factor completely.27a4 - 147b2

A. 3(3a2 - 7b)2 B. Prime C. 3(3a2 + 7b)2 D. 3(3a2 + 7b)(3a2 - 7b)

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Mathematics

Decide whether the pair of lines is parallel, perpendicular, or neither.3x - 4y = 98x + 6y = 18

A. parallel B. perpendicular C. neither

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Mathematics