## Towson University Mathematics Club

### Upper Level Problem

Solve the congruence $\begin{pmatrix} 9 & 23 & 26 \\26 & 2 & 27 \\ 5 & 26 & 8\end{pmatrix} \begin{pmatrix} x_1 \\ x_2 \\ x_3 \end{pmatrix} \equiv \begin{pmatrix} 14 \\ 24 \\ 9 \end{pmatrix} \pmod {26}.$

### Mid Level Problem

We have recieved a transimission from an unknown person and we need help to decipher it.
Make sense of the following picture and give your answer as plain text english.
(Hint: To solve this count multiple occurence and create a frequency table, compare it to the most frequent letters appearing in English.)

### Math Triva Question

What is the famous book which the above cipher is featured in?

Answers to the questions of the month will be given at the last meeting of each month and and will be posted here shortly after.

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