Find the center of the hyperbola.
- 
= 1
A. (-1, 5)
B. (5, -1)
C. (1, -5)
D. (9, -1)
Answer: A
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Find the area of the specified region.Inside the circle r = -8 cos ? and outside the circle r = 4
A. 8?
B. 
?
C. 
(4? - 3
)
D. 
(2? + 3
)
Calculate the slope of the line passing through the given points. If the slope is undefined, so state. Then indicate whether the line rises, falls, is horizontal, or is vertical.(-4, 8), (2, 8)
A. 5, rises B. 11, rises C. 0, is horizontal D. 1, rises
Provide an appropriate response.A sign is attached to a building by a triangular brace. If the horizontal length of the brace is 60 in. and the angle at the sign is 25°, what is the length of the wall support piece? Round to four significant digits. 
A. 46.88 in. B. 65.00 in. C. 15.00 in. D. 128.7 in.
Write the expression in lowest terms.
A. m B. -(m + 3) C. -m D. m + 3