Find the standard form of the equation of the parabola and determine the coordinates of the focus.

A.         focus: 
B.       focus: 
C.         focus: 
D.           focus: 
E.           focus: (0, 4)

Answer: A

Mathematics

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A. fx(x, y) = - ; fy(x, y) = 
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Find the probability.What is the probability that a card drawn from a deck of 52 cards is not black? 

A. 2
B.
C.
D.

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