Write the augmented matrix for the system. 5x + 2z = 27  6y + 8z = -4 7x + 9y + 7z = 24

A.

B.

C.

D.

Answer: C

Mathematics

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A. In first or third quadrant B. In first or fourth quadrant C. In second or third quadrant D. In second or fourth quadrant

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Provide an appropriate response.The exact area of the region bounded by the graphs of y = x2 - 4, and the x-axis from x = 0 to x = 4 is

A.  sq units.
B. 12 sq units.
C. 16 sq units.
D.  sq units.
E.  sq units.

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Decide whether the relation is a function.?    

A. Function B. Not a function

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Find the common ratio r for the given infinite geometric sequence., , , , , . . .

A. 4
B. 12
C. 10
D.

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