Compute AB, If Possible $A = \left[ \begin{array} { r r r } 1 & 3 & - 2 \\ 4 & 0 & 5 \end{array} \right]$

Multiple Choice

Compute AB, if possible.
- $A = \left[ \begin{array} { r r r } 1 & 3 & - 2 \\ 4 & 0 & 5 \end{array} \right]$ and $B = \left[ \begin{array} { r r } 3 & 0 \\ - 2 & 1 \\ 0 & 5 \end{array} \right]$

A) $\left[ \begin{array} { r r r } 3 & 4 & 0 \\ 0 & 0 & 25 \end{array} \right]$
B) not possible
C) $\left[ \begin{array} { r r } - 7 & - 3 \\ 25 & - 12 \end{array} \right]$
D) $\left[ \begin{array} { c c } - 3 & - 7 \\ 12 & 25 \end{array} \right]$