Evaluate the determinant.

A. 66
B. -42
C. 51
D. -66

Answer: D

Mathematics

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Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 6i + 4j,  w = 2i - 5j

A. 101.9° B. 70.8° C. 145.5° D. 55.5°

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Find the value of the limit of the sequence defined by

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Express the set of real numbers graphed on the number line using an inequality.

A. x ? 2 B. x > 2 C. x ? 2 D. x < 2

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