documentclass[letterpaper, 12pt]{article}
usepackage[utf8]{inputenc}
usepackage{graphicx, wrapfig, float}
usepackage{lipsum}
usepackage{geometry}
geometry{margin=0.8in}

begin{document}

begin{wrapfigure}{R}{0.35linewidth}
  centering
  includegraphics[width=linewidth]{genInstrs.png}
  caption{Hello there. Here is some text without meaning.}
end{wrapfigure}

lipsum[1]

begin{figure}[!htbp]
  centering
  includegraphics[height=0.25textheight]{wolframZTrans.png}
  caption{Caption}
end{figure}

lipsum[5]

end{document}