Find the product of the matrices: \[ \left[ \begin{matrix} 6 & 5 \end{matrix} \right] \left[ \begin{matrix} -1 \\ 1 \end{matrix} \right] \]
\(3\!\begin{bmatrix}7&-2 \\ 8&0\end{bmatrix}=\ \ ?\)
If \(A=\begin{bmatrix}1&0 \\ 0&1\end{bmatrix}\), then the value of \(A^{25}\) is