\documentclass[letterpaper,12pt]{article}
\usepackage{amsmath, geometry}
\usepackage[shortlabels]{enumitem}

\geometry{left=1in, right=1in, top=1in, bottom=1in}

\title{ECE 369 Document Template}
\date{}
\author{John Doe}

\begin{document}
\maketitle

% Write your solutions below this line. Modify the contents accordingly.
% The enumerate block creates enumerated items. 
\begin{enumerate}
\item Example $E=mc^2$.
\item Blah blah
\item[7.] One paragraph.

Another paragraph. Display-style formula
$$C=B\log_2\left(1+\frac{S}{N}\right)$$
\end{enumerate}

\begin{enumerate}[(a)]
\item $e^{x+y}=e^xe^y$
\item Hello world!
\end{enumerate}

\end{document}
