Write the Augmented Matrix for the System $\left[ \begin{array} { l l l l } 3 & 4 & 7 & 64 \\ 8 & 4 & 2 & 64 \\ 2 & 4 & 4 & 40 \end{array} \right]$

Multiple Choice

Write the augmented matrix for the system.
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A)
$\left[ \begin{array} { l l l l } 3 & 4 & 7 & 64 \\ 8 & 4 & 2 & 64 \\ 2 & 4 & 4 & 40 \end{array} \right]$
B) $\left[ \begin{array} { l l l l } 3 & 8 & 2 & 64 \\ 4 & 4 & 4 & 64 \\ 7 & 2 & 4 & 40 \end{array} \right]$
C) $\left[ \begin{array} { l l l } 3 & 4 & 7 \\ 8 & 4 & 2 \\ 2 & 4 & 4 \end{array} \right]$
D) $\left[ \begin{array} { l l l l } 64 & 7 & 4 & 3 \\ 64 & 2 & 4 & 8 \\ 40 & 4 & 4 & 2 \end{array} \right]$