Perform the indicated operations. Write the result using only positive exponents. Assume all variables represent nonzero real numbers.
A. 
B. 
C. 43
D. 411
Answer: B
Mathematics
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Evaluate the integral.
A. 
y2 cos 5y - 
y sin 5y - 
cos 5y + C
B. - 
y2 sin 5y + 
y cos 5y + 
sin 5y + C
C. - 
y2 cos 5y + 
y sin 5y + 
cos 5y + C
D. - 
y2 cos 5y + 
y sin 5y + 
cos 5y + C
Mathematics
Simplify the expression.log9 
A. 9 B. 2 C. -9 D. -2
Mathematics
Find the mean of the data presented in the given table of values.
(Round to the nearest tenth if necessary.)
A. 7.7 B. 9.2 C. 8.2 D. 6.2
Mathematics
Which property (if any), should be used to show that the pair of triangles is congruent?
A. ASA B. SAS C. SSS D. None
Mathematics