Find the sum.6 + 12 + 18 + . . . + 360

A. 10,797
B. 21,960
C. 10,980
D. 21,594

Answer: C

Mathematics

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Find the equation of the least-squares regression line. Graph the line and data points on the same graph.

A. y = -150.7 + 6.8x


B. y = 150.7 - 6.8x


C. y = 140.4 - 6.2x


D. y = -140.4 + 6.2x


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Mathematics

Divide. ÷ 

A.
B.
C.
D. (x + 1)(x - 3)

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Mathematics

Multiply.(4x - 12)(x + 5)

A. 4x2 + 8x + 8 B. 4x2 - 60x + 8 C. 4x2 + 6x - 60 D. 4x2 + 8x - 60

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Mathematics

Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to three decimal places. log4.42.6

A. 1.551 B. 0.645 C. 0.591 D. 0.415

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Mathematics