Simplify.
A. 
B. 25
C. 55
D. 5
Answer: D
Mathematics
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Use integration by parts to establish a reduction formula for the integral.
A. 
= xn ex - n 
B. 
= xn ex - n 
C. 
= xn ex + n 
D. 
= xn ex - 
Mathematics
Find all complex number solutions.x2 = -252
A. -6i
B. 6
C. -6
D. ± 6i
Mathematics
Perform the indicated operation, if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics
Convert.6000 pounds = tons
A. 3.5 B. 2 C. 4 D. 3
Mathematics