Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.

A. Geometric; r =
B. Geometric; r =
C. Arithmetic; d =
D. Neither

Answer: B

Mathematics

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Find the absolute value of the quantity.9 - 20

A. 11 B. -29 C. 29 D. -11

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Graph the equation.49y2 - x2 = 49

A.

B.

C.

D.

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A. -  + 864x - 432x² + 81x⁴
B. -  + 864 - 432x² + 81x⁴
C. -  + 864 - 432x³ + 81x⁴
D. -  + 1728 - 432x² + 81x⁴

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Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.Julie and Eric row their boat (at a constant speed) 32 miles downstream for 4 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 8 hours. Find the rate of the current.

A. 3 mph B. 6 mph C. 1.5 mph D. 2 mph

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