Encode and Decode Messages
Encode or Decode the Given Message $A = \left[ \begin{array} { l l } 3 & 7 \\ 2 & 5 \end{array} \right]$

Encode and Decode Messages
Encode or decode the given message, as requested, numbering the letters of the alphabet 1 through 26 in their usual
order.
-Use the coding matrix $A = \left[ \begin{array} { l l } 3 & 7 \\ 2 & 5 \end{array} \right]$ to encode the message LIFE.

A) $\left[ \begin{array} { l l } 99 & 53 \\ 69 & 37 \end{array} \right]$
B) $\left[ \begin{array} { l l } 78 & 62 \\ 54 & 43 \end{array} \right]$
C) $\left[ \begin{array} { r } 5428 \\ 12967 \end{array} \right]$
D) $\left[ \begin{array} { r r } - 3 & - 5 \\ 3 & 3 \end{array} \right]$