Answer the question as instructed.Evaluate 19.
A. 
B. 91
C. 9
D. 1
Answer: D
Mathematics
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Solve the problem.The solid lies between planes perpendicular to the x-axis at x = -
and x = 
. The cross sections are squares whose diagonals stretch from the x-axis to the curve 
Find the volume of the solid.
A. 
?
B. 6?
C. 
?
D. 
?
Mathematics
Use percents, percent equations, and/or percent proportions to solve the application.A community college raises its tuition from $330 per course to 
per course. What is the percent increase? Round to the nearest tenth of a percent, if necessary.
A.
| 93.3% |
B. 6.7%
C.
| 93.7% |
D.
| 6.3% |
Mathematics
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics
Graph the ellipse.
+ 
= 1
A. 
B. 
C. 
D. 
Mathematics