Evaluate the integral by making a substitution and then using a table of integrals. 
A. 4 sin-1
- 
+ C
B. 4 sin-1
- 
+ C
C. 
- 2 ln
+ C
D. 4 sin-1
+ x
+ C
Answer: A
Mathematics
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Find the volume of the solid generated by revolving the shaded region about the given axis.About the y-axis
A. 3? + 3?2
B. 12 - 3?
C. 12? - 3?2
D. 6? - 
?2
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Use the prime factorization method to find the LCM of the variable expressions.15mn and 25m2n
A. 375m2n B. 75mn C. 75m2n D. 375mn
Mathematics
Find the vertices of the ellipse.36(x + 1)2 + 9(y - 1)2 = 324
A. (-1, 1 - 3
), (-1, 1 + 3
)
B. (0, 7), (0, -5)
C. (1, 7), (1, -5)
D. (-1, 7), (-1, -5)
Mathematics
Solve.In a particular city, 
of the residents subscribe to the local newspaper. Write 
as a percent.
A. 74% B. 0.074% C. 0.74% D. 7.4%
Mathematics