Find an equation for the parabola described.Vertex at (1, 6); focus at (1, 5)

A. y = (x - 6)2 + 1
B. y = - (x - 1)2 + 6
C. y = (x - 1)2 + 6
D. y = - (x - 6)2 + 1


Answer: B

Mathematics

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Provide an appropriate response.If the digit to the right of the number that you are rounding is 5 or less round the digit up.

A. True B. False

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Subtract the real numbers. Write any improper fraction as a whole or mixed number where appropriate. - 

A. - 
B. 1
C. - 
D. - 1

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Distribute and simplify.x-2(15x4/3 - 18x-1/2)

A. 5x2/3 - 6x5/2
B.  - 
C.  + 
D. 5x2/3 + 6x5/2

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Solve by the substitution method.0.4x + 0.7y = 2.3  x - 0.9y = -7.5

A. {(-0.3, 0.5)} B. ? C. {(-3, 5)} D. {(5, -3)}

Mathematics