Multiply.i(3 - 7i)(8 - 4i)
A. 52 - 44i
B. 28i3 + 68i2 + 24i
C. -68 + 4i
D. 68 - 4i
Answer: D
Mathematics
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Solve the problem by integration.The force F (in N) applied by a stamping machine in making a certain computer part is 
where x is the distance (in cm) through which the force acts. Find the work done by the force from 
to 
A. 0.195 N? cm B. 13.5685 N? cm C. 0.0121 N? cm D. 0.0725 N? cm
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Calculate.-23 - (-53)
A. 30 B. -30 C. 76 D. -76
Mathematics
Provide an appropriate response. What is the mean price of the used cars?
A. $5,468 B. $1,850 C. $9,650 D. $5,325
Mathematics
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.
A. 60
B. 2
C. 12
D. 
Mathematics