Solve the problem.A nuclear cooling tower cross section is a hyperbola with a diameter of 64 ft at the center. The distance between the two foci is 90 ft. What is an equation for the hyperbola?
A. 
- 
= 5
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: D
Mathematics
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A. 
?
B. 
C. 
D. 
?
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Solve the equation for y in terms of x.ln y - 5 ln x = 1 + ln 8
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What part of the object or set of objects is shaded?
A. 
B. 
C. 
D. 
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