Find the standard equation of the parabola that satisfies the given conditions. Vertex: (0, -2); focus: (0, -1)
A. y2 = 4(x + 2)
B. x2 = -4(y + 2)
C. (x + 2)2 = 4y
D. x2 = 4(y + 2)
Answer: D
Mathematics
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A. $313.09 B. $312.45 C. $315.68 D. $325.70
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A. 
B. 
C. 
D. 
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Simplify the expression, writing the answer as a single term without negative exponents.(4k)-1 + 4m-1
A. 
B. 
C. 
D. 
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