Simplify.(-9x7)(8x4)

A. 72x28
B. -72x11
C. -72x28
D. 72x11

Answer: B

Mathematics

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Find the equation for the level surface of the function through the given point.f(x, y, z) = + , (4, e6, e-4)

A. -5e-4 - 5e6 + 3e4 + 1 = + 
B. -4e-4 - 6e6 + 3e4 - 9 = + 
C. -4e-4 - 6e6 + 3e4 + 1 = + 
D. -4e-4 - 6e6 + 3e4 + 1 = ln ? + 1 + t et

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Mathematics

Multiply the expressions.(w - 10)2

A. w2 + 100 B. w2 - 20w + 100 C. 100w2 - 20w + 100 D. w + 100

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Mathematics

Find the sum of the series.

A. 32 B. 24 C. 47 D. 50

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Mathematics

Calculate. × 3.1629

A. 1.43
B. 1.4331
C. 1.4376
D. 1.43

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Mathematics