Perform the indicated operation. Simplify if possible. + 

A.
B.
C.
D. 1


Answer: A

Mathematics

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Provide an appropriate response.Let sk denote the kth partial sum of the alternating harmonic series. Compute s15, s16, and . Which of these is closest to the exact sum  of the alternating harmonic series?

A.
B. s16
C. s15

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Find the slope of the polar curve at the indicated point.r = 7 sin 4?, ? = 0

A. -1
B.
C. 1 + 
D. 0

Mathematics

Solve the problem, using simple interest. Round your answer, as needed.North Central Sales bought a new computer system. To pay for the system, they borrowed $42,740 at  interest for 190 days. How much interest do they have to pay?

A. $652.97 B. $2611.89 C. $1334.89 D. $1378.49

Mathematics

Multiply.-2x2(-5x + 4)

A. 10x3 - 8x2 B. 10x3 + 4 C. 2x2 D. 10x - 8 

Mathematics