Find the foci and asymptotes of the hyperbola.
- 
= 1
A. (-9, 0), (9, 0); y = 
x, y = - 
x
B. (-15, 0), (15, 0); y = 
x, y = - 
x
C. (0, -9), (0, 9); y = 
x, y = - 
x
D. (0, -15), (0, 15); y = x, y = -
x
Answer: D
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Find the y-intercept and graph the equation by hand.y = x - 4
A. (0, 4)
B. (0, 0)
C. (0, -4)
D. (0, 0)
The chart below shows the percentage of people in a questionnaire who bought or leased the listed car models and were very satisfied with the experience. Model A 81%Model B 79%Model C 73%Model D 61%Model E 59%Model F 57%The empirical probability that a person with a model shown is very satisfied with the experience is 
. What is the model?
A. C B. A C. B D. F
Solve the equation by multiplying both sides by the LCD.x - 7 = 
A. {-8, 1}
B. 
C. 
D. {-1, 8}
Perform the indicated operation.(x - 6)(x + 7)
A. x2 - 1x + 42 B. x2 - 1x - 6 C. x2 - 13x - 42 D. x2 + 1x - 42