Find the Matrix Product When Possible A) $$\left[ \begin{array} { r r r } - 21 & 48 & 4 \\3 & 16 & 4 \\- 18 & - 56 & - 12\end{array} \right]$$

Multiple Choice

Find the matrix product when possible.
- $$\left[ \begin{array} { l l l } - 3 & 8 & - 2\end{array} \right] \left[ \begin{array} { r r r } 7 & 6 & - 2 \\- 1 & 2 & - 2 \\6 & - 7 & 6\end{array} \right]$$

A)

$$\left[ \begin{array} { r r r } - 21 & 48 & 4 \\3 & 16 & 4 \\- 18 & - 56 & - 12\end{array} \right]$$
B)
$\left[\begin{array}{rrr}-3 & 8 & -2 \\7 & 6 & -2 \\-1 & 2 & -2 \\6 & -7 & 6\end{array}\right]$

C)
$$\left[ \begin{array} { r } - 41 \\12 \\- 22\end{array} \right]$$
D)
$\left[ \begin{array} { l l l } - 41 & 12 & - 22 \end{array} \right]$