Perform the operations and simplify.
?
?
Assume that no denominators are 0.
?
A. 
B. 0
C. ?
D. ?
Answer: B
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Find the vertex, focus, and directrix of the parabola with the given equation.y2 - 6y - 8x + 57 = 0
A. vertex: (6, 3) focus: (8, 3) directrix: x = 4 B. vertex: (3, 6) focus: (3, 8) directrix: y = 4 C. vertex: (6, 3) focus: (4, 3) directrix: x = 8 D. vertex: (3, 6) focus: (3, 4) directrix: y = 8
Evaluate the integral.
A. 2
B. 
C. 
D. 4
Provide an appropriate response.Suppose a student finds that a function has exactly one critical point, determines that the point locates a maximum, and immediately concludes that the function has no minimum. What can you say about the x-interval considered by the student?
A. The endpoints of the interval yield values for the function that are larger than the value at the critical point. B. The interval is not closed, does not have endpoints, or does not contain its endpoints. C. The interval is closed. D. The interval must be the real line.
Convert the angle to decimal degrees and round to the nearest hundredth of a degree.337°9'8"
A. 337.16° B. 337.15° C. 337.21° D. 337.11°