Perform the Following Matrix Operations If Possible $\left[\begin{array}{rr}1 & -2 \\ 4 & 7 \\ -3 & 0\end{array}\right]-\left[\begin{array}{rr}0 & 7 \\ 5 & 3 \\ -5 & 8\end{array}\right]$

Perform the following matrix operations if possible.
(a) $\left[\begin{array}{rr}1 & -2 \\ 4 & 7 \\ -3 & 0\end{array}\right]-\left[\begin{array}{rr}0 & 7 \\ 5 & 3 \\ -5 & 8\end{array}\right]$
(b) $\left[\begin{array}{rrr}6 & 2 & -3 \\ 7 & -9 & 10\end{array}\right]+\left[\begin{array}{rr}5 & -4 \\ 3 & 8\end{array}\right]$
(c) $\left[\begin{array}{rr}2 & -1 \\ 0 & 3 \\ 1 & 5\end{array}\right]\left[\begin{array}{rrr}5 & -2 & 3 \\ -3 & 4 & -1\end{array}\right]$