Find the sum of the sequence.

A.
B. 12
C. - 
D. 22


Answer: A

Mathematics

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Simplify. Write final answer in radical form when necessary. ? 

A.
B.
C.
D.

Mathematics

Find the area.

A. 24 cm2
B.

36 cm2

C. 18 cm2
D. 12 cm2

Mathematics

Factor by grouping.6m3 + 24m2 - 3m - 12

A. 3(2m2 + 1)(m - 4) B. (2m2 - 1)(3m + 4) C. 3(2m - 1)(m2 + 4) D. 3(2m2 - 1)(m + 4)

Mathematics

Solve the problem.The length L that a spring is stretched from its natural length using W amount of work (in foot-pounds) is given by L = , where k is a given constant for the spring. If a certain spring has a constant value k of 41.3 and the spring is to be stretched 2.7 feet from its natural length, how much work will be necessary? Round to the nearest tenth when necessary.

A. 55.8 ft-lb B. 301.1 ft-lb C. 150.5 ft-lb D. 33.9 ft-lb

Mathematics