Solve the problem.Find the sum of the first 60 terms of the arithmetic sequence -4, 2, 8, 14, . . .

A. 356
B. 10,380
C. 10,386
D. 10,560

Answer: B

Mathematics

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Graph the function.The voltage e for an alternating-current circuit is given by . Sketch two cycles of the voltage as a function of time. Label the point on the horizontal axis which represents the end of the second cycle.

A.

B.

C.

D.

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Mathematics

Solve the problem.The hypotenuse of an isosceles right triangle is 9 feet longer than either of its legs. Find the exact length of each side.

A. 9 +  feet
9 +  feet
18 +  feet
B. 9 + 9 feet
9 + 9 feet
18 + 9 feet
C. 9 feet
9 feet
9 + 9 feet
D. 9 feet
9 feet
18 feet

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Mathematics

Divide and simplify. 

A. 5x4
B. x
C. 5x
D. 5x

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Mathematics

Solve the problem.Find -x when x is 22

A. -22
B. 0
C. 22
D.

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Mathematics