Solve the equation.7(x - 4) + 1 = 7x - 6

A. x = 21
B. x = 1.5
C. x = 3.0
D. The equation is a contradiction.

Answer: D

Mathematics

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Perform the indicated operations. [(1.7x3 + 7.6x2 + 4.3) + (6.5x - 2.8)] - (3.5x2 -x - 9.9)

A. 1.7x3 + 4.1x2 + 7.5x + 11.4 B. 13.3x6 + 11.4 C. 1.7x3 + 4.1x2 + 6.5x + 11.4 D. 1.7x3 + 11.1x2 + 5.5x - 8.4

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Evaluate the integral.

A. (e2x - e-2x)   + C
B. (e2x + e-2x) + C
C. (e2x + e-2x)   + C
D. (ex - e-x) + C

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Use the distributive property to rewrite the expression. Simplify if possible.- 2(6x + 6y)

A. -24x B. -12x - 12y C. 12x + 12y D. -12x + 12y

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Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.Marian drove 340  on vacation.

A. km B. m C. cm D. mm

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