Find the equation of the parabola whose vertex and focus are shown.
A. (y - 3)2 = 2(x + 1)
B. (y - 3)2 = 20(x + 1)
C. (x - 3)2 = 20(y + 1)
D. (x - 3)2 = 2(y + 1)
Answer: C
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A. 
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B. 
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C. 
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D. 
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- 
= 1, where x and y are in millions of miles. If the sun is the focus of the path, how close to the sun is the vertex of the path? 
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Roll a pair of dice 100 times. Keep a record of the resulting sums. Based on your experiment, find P(six). ?
A. 
B. ?
C. ?
D. ?
E. ?