Express the radical in simplified form.- 
A. 6
B. -3
C. -5
D. -6
Answer: C
Mathematics
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If 
, find cos (-?).
?
A. 
B. 
C. 04
D. 
E. 
Mathematics
Solve the equation using the quadratic formula.
= 
+ 
A. No real solution
B. 
C. -1, 
D. 
, 
Mathematics
Simplify the radical. Assume that all variables represent positive numbers.
A. 
B. 
C. 
D. 
Mathematics
Use integration by parts to find the integral. Round the answer to two decimal places if necessary.
A. 45.5 B. 7.9 C. 33.52 D. 6.70
Mathematics