Simplify the expression.5(7x - 2) - 4(x - 3)

A. 31x - 5
B. 15x + 2
C. 31x - 22
D. 31x + 2


Answer: D

Mathematics

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A.
B.
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A. 12 yd B. 16 yd C. 13 yd D. 14 yd

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Perform the indicated operation.13,190 ml - 0.4 L (in liters)

A. 13,189.6 L B. 12.79 L C. 131.5 L D. 12,790 L

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Find a unit vector at which the quadratic form xTAx is maximized, subject to the constraint xTx = 1.A = 

A.

B.

C.

D.

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