Graph the ellipse and locate the foci.
+ 
= 1
A. foci at (
, 0) and (-
, 0)
B. foci at (2
, 0) and (-2
, 0)
C. foci at (2
, 0) and (-2
, 0)
D. foci at (0, 2
) and (0, -2
)
Answer: D
Mathematics
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Solve the inequality algebraically. Express the solution in interval notation.x4 - 32x2 - 144 > 0
A. (-?, -6) ? (-2, 2) ? (6, ?) B. (-6, 6) C. (-6, -2) ? (2, 6) D. (-?, -6) ? (6, ?)
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Evaluate the iterated integral.
A. 
B. 50
C. 25
D. 
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Find the mean of the list of data.59, 65, 49, 61, 46, 65, 47
A. 49 B. 59 C. 56 D. 65
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