Find the solution set of the linear system. Identify inconsistent systems and dependent equations. For dependent equations, write your answer as an ordered triple in terms of z.

A. {(0, 1, 0)}
B. {(1, -1, 1)}
C. {(-1, 1, 1)}
D. {(0, 0, 1)}


Answer: D

Mathematics

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Use a special product formula to simplify.(-2x - 3)2

A. -2x2 + 9 B. 4x2 + 12x + 9 C. 4x2 + 9 D. -2x2 + 12x + 9

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Add. Do not use a number line except as a check.-1.8 + 6.6

A. -8.4 B. -4.8 C. 8.4 D. 4.8

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Perform the indicated operation. - 

A.
B. - 
C. - 
D. - 

Mathematics