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
Mathematics
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