Find an equation for the hyperbola described. Graph the equation.Center at (0, 0); vertex at (0, 8); focus at (0, 
)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: A
Mathematics
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Describe the given set of points with a single equation or with a pair of equations.The plane through the point (10, -5, -7) and parallel to the xy-plane
A. x = 10 and y = -5 B. x + y - 7 = 0 C. x + y = 5 D. z = -7
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Write a percent for both the shaded and unshaded parts of the figure.
A. 10% B. 0.01% C. 1% D. 0.1%
Mathematics
Solve.The population of a small country increases according to the function 
where t is measured in years. How many people will the country have after 10 years?
A. 994,850 B. 3,729,562 C. 2,290,727 D. 6,279,716
Mathematics
Solve the problem.Find the magnitude of the difference between a windchill factor of 82 and a windchill factor of -45.
A. -37 B. 37 C. -127 D. 127
Mathematics