Perform the indicated operation.v = 6i + 5j - 4k  and  w = 5i - 2j - 6kFind 4v - 4w.

A. 11i + 3j - 10k
B. 29i + 18j - 22k
C. 4i + 28j + 8k
D. -14i + 13j + 20k

Answer: C

Mathematics

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A. x9 - x4 + 7x + C
B. 9x9 - x4 + 7x + C
C. 9x9 - x4 + 7x + C
D. x9 - x4 + 7x + C

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Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = (x + y)2; -1 ? x ? 1, -1 ? y ? 1

A.
B.
C.
D.

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Solve the system.

What will be an ideal response?

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Use the given transformation to evaluate the integral.   Rwhere R is the parallelogram bounded by the lines    

src="https://sciemce.com/media/4/ppg__ghvb0609192137__f1q23g7.jpg" alt="" style="vertical-align: -4.0px;" /> A. 10 B. 5 C. -10 D. -5

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