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\documentclass[letterpaper]{article}
\usepackage{bbding}
\usepackage{amsmath}
\begin{document}
\par\noindent{\Large\textbf{Math Quiz}~~\HandRight~\emph{Show all work!}~\HandLeft}
\begin{enumerate}
\item Evaluate the following:
 \begin{enumerate}
  \item $\displaystyle\int_{0}^{\pi} \sqrt{(x+a)^3}~dx~~$ for $~a \ge 0$
  \item $\displaystyle\sum_{n=1}^{\infty} \dfrac{3}{10^n}$
 \end{enumerate}
 \item Prove: $\displaystyle\lim_{\theta ~\to~ 0} ~\dfrac{\sin \theta}{\theta} ~=~ 1$
 \item Prove that there are an infinite number of primes.
\end{enumerate}
\end{document}