Write an equation for the hyperbola.x-intercepts (±9, 0), foci at (-
, 0), (
, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: D
Mathematics
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Find the area or volume.Find the volume of the solid generated by revolving the region in the first quadrant under the curve 
bounded on the left by x = 1, about the x-axis.
A. 
?
B. 4?
C. 16?
D. 
?
Mathematics
Simplify the decimal expression.6.4 - 1.8
A. 5.7 B. 5.6 C. 4.5 D. 4.6
Mathematics
Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics
For an election with four candidates (A, B, C, and D) we have the following preference schedule:
Using the plurality method, which candidate wins the election?
A. A B. B C. C D. D E. none of these
Mathematics