Find an equation of the hyperbola centered at the origin which satisfies the given conditions.A hyperbola with vertices (±4, 0) and foci (±7, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: B
Mathematics
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Perform the division and simplify.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Find the product.(7y - 9)(49y2 + 63y + 81)
A. 343y3 - 729 B. 343y3 + 567y2 - 729 C. 49y3 + 729 D. 343y3 + 729
Mathematics
Find the center of mass of a thin plate of constant density covering the given region.The region between the x-axis and the curve y = 4csc2 x, 
? x ? 
A. 
= 
, 
= 6
B. 
= 
, 
= 4
C. 
= 
, 
= 
D. 
= 
, 
= 
Mathematics
Write the equation of the line passing through the given points. Write your answer in slope-intercept form.Passing through (7, -1) and (-7, -1)
A. y = -1 B. y = 6x - 49 C. y = 3x - 28 D. y = 2x - 21
Mathematics