Find the foci of the given hyperbola.
- 
= 1
A. (8, 0), (-8, 0)
B. (0, 4), (0, -4)
C. (4, 0), (-4, 0)
D. (0, 8), (0, -8)
Answer: A
Mathematics
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Evaluate the integral.
A. 
cos 81
B. 
(1 - cos 81)
C. 
(1 - cos 81)
D. 
cos 81
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Solve for x.
= 3
A. -5 B. 9 C. 1 D. 3
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Use point-slope form to write the equation of the line with the given properties.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
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Solve the problem.A linear programming problem has 4 decision variables, x1 to x4, and 8 problem constraints. How many rows are there in the table of basic solutions of the associated e-system?
A. 495 B. 248 C. 24 D. 11,880
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