Find a - B A) $\left[ \begin{array} { c c c } 1 & 0 & - 7 \\0 & - 5 & - 5 \\9 & 6 & 8\end{array} \right]$

Multiple Choice

Find A - B. $$A = \left[ \begin{array} { l l l } 4 & 9 & 2 \\6 & 3 & 2 \\9 & 6 & 8\end{array} \right] , B = \left[ \begin{array} { l l l } 3 & 9 & 9 \\6 & 8 & 7 \\7 & 7 & 8\end{array} \right]$$

A) $\left[ \begin{array} { c c c } 1 & 0 & - 7 \\0 & - 5 & - 5 \\9 & 6 & 8\end{array} \right]$
B) $\left[ \begin{array} { c c c } 4 & 9 & 2 \\6 & 8 & 7 \\2 & - 1 & 0\end{array} \right]$
C) $\left[ \begin{array} { c c c } 1 & 0 & - 7 \\6 & 8 & 7 \\2 & - 1 & 0\end{array} \right]$
D) $\left[ \begin{array} { c c c } 1 & 0 & - 7 \\0 & - 5 & - 5 \\2 & - 1 & 8\end{array} \right]$
E) $\left[ \begin{array} { c c c } 1 & 0 & - 7 \\0 & - 5 & - 5 \\2 & - 1 & 0\end{array} \right]$