Find an equation of a parabola satisfying the given conditions.Focus at (
, 0), directrix x = - 
A. y2 = 4
y
B. y2 = 4
x
C. x2 = 4
x
D. y2 = 24x
Answer: B
Mathematics
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Write the series with summation notation.0 + 2 + 6 + 12 + 20
A. 
B. 
C. 
D. 
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Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
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Find the probability of the following card hands from a 52-card deck. In poker, aces are either high or low. A bridge hand is made up of 13 cards.In poker, a straight flush (5 in a row in a single suit, but not a royal flush)
A. 2.31 × 10-6 B. 9.23 × 10-6 C. 1.39 × 10-5 D. 1.23 × 10-5
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