Find the standard equation of the hyperbola.Vertices at (0, ±3), foci at (0, ±7)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: B
Mathematics
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Solve the problem.Find symmetric equations for the line through the points P(-1, -1, -3) and Q(2, -5, -5).
A. 
= 
= 
B. 
= 
= 
C. 
= 
= 
D. 
= 
= 
Mathematics
Provide an appropriate response.The _____ the rate of change, the steeper the slope.
A. greater B. smaller C. more dependent D. more independent
Mathematics
Solve the formula for the specified variable.S = 2?rh + 2?r2
for h
A. h = 
- 1
B. h = 2?(S - r)
C. h = S - r
D. h = 
Mathematics
Simplify.
+ 
? 
A. 
B. 
C. 
D. 
Mathematics