Perform the indicated operation and write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the definite integral.
?
?
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A coin is tossed upward from a balcony 
high with an initial velocity of 
During what interval of time will the coin be at a height of at least 
A. 0 ? t ? 1 (seconds) B. 0 ? t ? 5 (seconds) C. 4 ? t ? 5 (seconds) D. 5 ? t ? 10 (seconds)
Mathematics
Evaluate the improper integral.
A. - 
ln12 + 4
B. 8 ln3 - 4
C. 8 ln12 - 4
D. 8 ln12 - 8
Mathematics
Solve the problem.Find a polynomial for the sum of the shaded areas of the figure.
A. n2 - 28 B. n2 + 2n + 28 C. n2 + 28 D. n2
Mathematics