Find the vertices of the hyperbola.4y2 - x2 - 40y + 8x + 80 = 0
A. (-6, -5) and (-2, -5)
B. (4, 6) and (4, 4)
C. (-4, -4) and (-4, -6)
D. (2, 5) and (6, 5)
Answer: B
Mathematics
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Solve the problem.Find the volume of the solid generated by revolving the region in the first quadrant bounded by the x-axis and the curve y = sin 7x, 0 ? x ? ?/7 about the line x = ?/7.
A. 
?
B. 
?2
C. 
?2 - ?
D. 
Mathematics
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, x = 0, x = 5
A. 
?
B. 10?
C. 100?
D. 
?
Mathematics
Find the area of the shaded region.
A. 
B. 
C. 
D. 32
Mathematics
Provide an appropriate response.Use a calculator to divide and reduce answer to lowest terms, converting improper fractions to whole or mixed numbers: 
÷ 
A. 
B. 
C. 
D. 
Mathematics