Write an equation for the parabola.vertex (3, -4), focus (3, 1)
A. 20(y - 4) = (x + 3)2
B. y + 4 = 20(x + 3)2
C. x + 3 = 20(y + 4)2
D. 20(y + 4) = (x - 3)2
Answer: D
Mathematics
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B. 
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Write the number in standard decimal form.7.62 × 105
A. 76,200 B. 381 C. 7,620,000 D. 762,000
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Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Two marbles are drawn from a bag in which there are 4 red marble and 2 blue marble. The number of blue marbles is counted.
A. 
B. 
C. 
D. 
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Using only this graph, what are the signs of h and k?
A. Both are positive. B. h is positive and k is negative. C. Both are negative. D. h is negative and k is positive.
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