Find an equation for the parabola described.Vertex at (5, -4); focus at (5, -7)
A. (y - 4)2 = 8(x + 5)
B. (x - 5)2 = -12(y + 4)
C. (x - 5)2 = 12(y + 4)
D. (y - 4)2 = -8(x + 5)
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Perform the indicated operations, expressing the answer in simplest form with rationalized denominators.
A. x3
B. 
C. x6y6
D. x3y3
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Give an appropriate answer.Given the function f(x, y, z) and the positive number ? as in the formal definition of a limit, find a positive number ? as in the definition that insures 
< ?.f(x, y, z) = 
; ? = 0.01
What will be an ideal response?
Mathematics
Evaluate by correctly positioning the decimal point.42.967 × 103
A. 42,967 B. 4,296,700 C. 429,670 D. 4.2967e+10
Mathematics