Simplify the expression. Assume that all variables are positive when they appear.
A. 5
B. 
C. 54
D. 
Answer: B
Mathematics
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Evaluate the integral.
A. 2e2t - t + ln 
+ C
B. 2e2t + t - 
ln 
+ C
C. e2t + ln 
- 
ln 
+ C
D. e2t + t - 
ln 
+ C
Mathematics
The rectangular coordinates of a point are given. Express the point in polar coordinates with 
and 
A. 
B. 
C. 
D. 
Mathematics
Determine the magnitude of v.
A. 22
B. 88
C. 88
D. 5
Mathematics
Perform the indicated operation. Write the answer in lowest terms.4
? 3
A. 18
B. 12
C. 15
D. 16
Mathematics