Determine the standard equation of the ellipse described.Foci at (0, -2) and (0, 2); length of the major axis is 12 units.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
Mathematics
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Describe the sample space for the experiment.An even-numbered lottery ball is drawn from a group of balls numbered 1 through 31.
A. {30} B. {2, 4, 6, . . . , 30} C. {1, 2, 3, . . . , 31} D. {2}
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Find all the polar coordinates of the point.(-8, ?/3)
A. (8, 4?/3 + 2n?), (-8, 2?/3 + 2n?) B. (8, ?/3 + 2n?), (8, 4?/3 + 2n?) C. (8, 4?/3 + 2n?), (-8, -?/3 + 2n?) D. (8, 4?/3 + 2n?), (-8, ?/3 + 2n?)
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Solve the equation.
= 8 - 
A. 
B. 
C. {1}
D. {2}
Mathematics
Graph the hyperbola.16x2 = 9y2 + 144
A. 
B. 
C. 
D. 
Mathematics