\documentclass[12pt]{article}
\usepackage{amsmath, amssymb, graphicx, array, fancyhdr, unicode-math, multirow}

\DeclareMathOperator{\Var}{Var}
\DeclareMathOperator{\sd}{SD}
\DeclareMathOperator{\Pois}{Pois}
\DeclareMathOperator{\Bin}{Bin}
\DeclareMathOperator{\NegBin}{NegBin}
\DeclareMathOperator{\sech}{sech}


% Text: Calibri, all bold
\setmainfont{Calibri}
\renewcommand{\seriesdefault}{b}

% Math: choose a math font and visually embolden it
\setmathfont{TeX Gyre Termes Math}                  % base math font
\setmathfont[FakeBold=1.9]{TeX Gyre Termes Math}    % embolden; adjust 1.6–2.4

% header
\pagestyle{fancy}
\fancyhf{}
\lhead{\resizebox{!}{2cm}{A}}
\chead{\raisebox{0.5cm}{\Huge Complementary Event}} % (add title text if you want)
\rhead{\resizebox{!}{2cm}{A}}
\setlength{\headheight}{2.5cm}
\setlength{\headsep}{12pt} % space between header and body

\begin{document}
\thispagestyle{fancy}

% -------- PAGE 1 --------
\begin{table}[h!]
  \renewcommand{\arraystretch}{1.2}

  % -------- Single -------------------
\begin{tabular}{m{1.2in} m{4in}}
\multirow{5}{*}{\includegraphics[width=1in]{images/single.png}} 
&\\
& $ S =\{1,2,3,4,5,6,7,8\}$ \\
& $ A =\{1,2\}$ \\
&\\
\end{tabular}


% -------- Abstract -------------------
\begin{tabular}{m{1.2in} m{4in}}
\multirow{5}{*}{\includegraphics[width=1in]{images/abstract.png}} 
&\\
& $ P(A) = |A|/|S|  = 2/8 = 0.25$\\
& $ P(A^{C}) = 1 - P(A) = 0.75$\\
&\\
\end{tabular}

% -------- Question -------------------
\begin{tabular}{m{1.2in} m{4in}}
\multirow{5}{*}{\includegraphics[width=1in]{images/question.png}} 
&\\
& $P(A) = 0.22$ \\
& $P(B) = 0.35$ \\
& $P(A\cap B) = 0.00$ \\
& $P(A\cup B) = ?$\\
&\\
&\\
\end{tabular}
\end{table}

% second page
\newpage
\thispagestyle{fancy}
\begin{table}[h!]

% -------- Answer -------------------
\begin{tabular}{m{1.2in} m{4in}}
\multirow{5}{*}{\includegraphics[width=1in]{images/key.png}} 
&\\
& $P(A) = 0.22$ \\
& $P(B) = 0.35$ \\
& $P(A\cap B) = 0.00$ \\
& $P(A\cup B) = P(A) + P(B) = 0.22 + 0.35 = 0.57$\\
&\\
&\\
\end{tabular}

\end{table}





\end{document}