Write the augmented matrix for the system.

A.
B.
C.
D.


Answer: B

Mathematics

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Simplify.(5x - 4y + 2) - 2(-5x + 4y - 2)

A. 10x - 8y + 4 B. -15x + 12y - 6 C. 15x - 12y + 6 D. -10x + 8y - 4

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Find the first four terms of the binomial series for the given function.(1 - 6x)1/2

A. 1 - 3x - x2 - x3
B. 1 - 3x - x2 - x3
C. 1 - 3x + x2 - x3
D. 1 + 3x + x2 - x3

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Write the solution set in interval notation.{x|x ? -5}

A. (-5, ?) B. (-?, -5) C. [-5, ?) D. (-?, -5]

Mathematics

Find the value of the expression.

A.  
B. 6 
C.  
D.

Mathematics