Solve the system.3w - 3y + z = 3-w + x + 3y - z = -14w - x + 3z = -20  x + 3y - z = -4

A. (-6, 0, -5 , 1)
B. (-3, 8, -4, 0)
C. (3, 10, -4, -1)
D. ( 0, -3 , 8, 5)


Answer: B

Mathematics

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Solve the problem.True or false - if false, explain why or modify the statement so that it becomes true: The mode, median, and mean all have the same value in skewed distributions.

What will be an ideal response?

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Find real numbers a and b such that the equation is true. ? ? ?

A. ?a = 0, b = -
B. ??a = 0b = -
C. ??a = 0b = -
D. ??a = 0b = -9
E. ??a = 0b = -10

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Find the perimeter of the figure. 7

A. 14
B. 28
C. 14
D. 28

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Write in standard form the equation of the ellipse with the given characteristics.center at the origin, an x-intercept at (5, 0), and a y-intercept at (0, )

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics