Find the vertices of the hyperbola.y2 - x2 = -49
A. (0, 49) and (0, -49)
B. (7, 0) and (-7, 0)
C. (0, 7) and (0, -7)
D. (49, 0) and (-49, 0)
Answer: B
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Find the unknown value in the percent proportion 
Round to the nearest tenth, if necessary.part = 8, whole = 32
A. percent = 20% B. percent = 25% C. percent = 30% D. percent = 15%
Solve the problem.In a certain lottery, 6 numbers between 1 and 11 inclusive are drawn. These are the winning numbers. How many different selections are possible? Assume that the order in which the numbers are drawn is not important.
A. 332,640 B. 1,771,561 C. 462 D. 720
Determine the standard equation of the ellipse described.Center at (0, 0); focus at (-4, 0); vertex at (6, 0).
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Provide an appropriate response.Consider the functions f(x) = 4x2 + 3x and g(x) = 6x2 - 8x + 2. Find (f ? g)(x).
A. 24x4 - 14x3 - 16x2 B. 24x4 - 32x2 + 11 C. 24x4 - 14x3 - 16x2 + 6x D. 24x4 + 14x3 - 16x2 + 6x