Find an equation of the ellipse.An ellipse with endpoints of major axis at (0, 9), (0, -9); c = 5
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
Mathematics
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A. (x + y)2 = y B. x2 + y2 = x C. x2 + y2 = y D. (x + y)2 = x
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Simplify.(2x - 5y)2
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