Convert the equation to the standard form for a hyperbola by completing the square on x and y.y2 - 16x2 - 4y + 64x - 76 = 0
A. 
- (y - 2)2 = 1
B. (x - 2)2 - 
= 1
C. 
- (x - 2)2 = 1
D. 
- (x - 4)2 = 1
Answer: C
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Provide an appropriate response.Event A is that the weather forecast predicts sun for your hometown tomorrow. Event B is that it rains tomorrow in your home town.Are events A and B: A: Overlapping, Independent? B: Overlapping, Dependent? C: Non-overlapping, Independent? D: Non-overlapping, Dependent?
A. B B. D C. A D. C
Solve the problem.The lifespan for a pair of walking shoes is normally distributed with a mean of 
steps and standard deviation of 
steps. If a manufacture produces 6000 pairs of these shoes, how many can be expected to last for at least 756,000 steps?
A. ? 1313 pairs B. ? 1271 pairs C. ? 1205 pairs D. ? 1391 pairs
Solve the equation.
+ 
+ 4 = 0
A. 
B. {-1, -4}
C. 
D. {1, 4}
Find the eccentricity of the ellipse.4x2 + y2 = 36
A. 
B. 
C. 
D. 