Factor, if possible.-72 + 17x - x2

A. -(x - 9)(x + 8)
B. -(x + 9)(x + 8)
C. -(x - 9)(x - 8)
D. (x - 9)(x - 8)


Answer: C

Mathematics

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Find the gradient field F of the function f.f(x, y, z) = x6y7 + 

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B. F = 6x5y7i + 7x6y6j - k
C. F = (6x5 + 5x4)i + 7y6j - k
D. F = i + 7x6y6j - k

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A. 2x2 - 26x - 56 B. 8x2 - 36x + 28 C. 6x2 + 19x - 28 D. 8x2 - 20x - 28

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Identify the figure and name it using the labels shown.

A. point X
B. line X, or 
C. ?X
D. ray X, or 

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Convert the angle from degrees to radians. Express your answer as a decimal rounded to two decimal places.6.4°

A. 0.12 B. 0.09 C. 0.10 D. 0.11

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