Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.u = -4i - 4j + 4k, v = 8i + 8j - 8k

A. 0; 4i+ 4j - 4k
B. 12; (4i + 4j - 4k)
C. 4(4i + 4j - 4k)
D. 0; no direction


Answer: D

Mathematics

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For the given figure, find the ratio of the length of the longest side to the length of the shortest side. Write the ratio as a fraction in lowest terms.A = 4 kilometersB = 3 kilometersC = 11 kilometers

A.
B.
C.
D.

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Provide an appropriate response. Write the product: x-3(x)(x2)

A.
B. x
C.
D. 1

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Determine if the proportion is true or false. = 

A. True B. False

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Solve the following system by any appropriate method. If there is no real number solution, so state.4x2 - 4y2 = 842x2 + 2y2 = 58

A. (-5, -2), (-2, -5) B. (5, -2), (5, 2) C. (5, 2), (2, 5), (-5, -2), (-2, -5) D. (5, 2), (5, -2), (-5, 2), (-5, -2)

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