Find the standard form of the equation of the ellipse satisfying the given conditions.Major axis vertical with length 18; length of minor axis = 12; center (0, 0)

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1


Answer: C

Mathematics

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B.
C. - 
D. - 

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Find the first four terms of the binomial series for the given function.(1 - 7x)1/2

A. 1 - x - x2 - x3
B. 1 - x + x2 - x3
C. 1 + x + x2 - x3
D. 1 - x - x2 - x3

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Evaluate.2 ? 

A. - 
B. - 
C.
D.

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Find the exact value of the expression. Do not use a calculator.cot 60° - cos 45°

A.
B.
C.
D.

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