Find the sum, if it exists.
A. 248
B. -5140
C. -1640
D. Does not exist
Answer: C
Mathematics
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Verify the integration formula.
csch-1 x + 
+ C
A. No B. Yes
Mathematics
Multiply. Assume that all variables represent nonnegative real numbers.
2
A. 49t2 + 2
+ r2
B. 7t + 
+ r
C. 49t2 + 
+ r2
D. 7t + 2
+ r
Mathematics
Find the perimeter of the figure.
11
A. 36
B. 18
C. 18
D. 36
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics