\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}{P}}
\chead{\raisebox{0.5cm}{\Huge Complementary Event}} % (add title text if you want)
\rhead{\resizebox{!}{2cm}{P}}
\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}} 
&\\
&$|A| = 130$\\
&$|B| = 280$\\
&$|C| = 150$\\
&$|U| = 1000$\\
&$|A \cap C| = 30$\\
&$|B \cap C| = 50$\\
&$|A \cap B| = 40$\\
&$|A \cap B \cap C| = 10$\\
&$|(A \cup B \cup C)^c| = ?$\\
&\\
\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}} 
&\\
&$|A| = 130$\\
&$|B| = 280$\\
&$|C| = 150$\\
&$|U| = 1000$\\
&$|A \cap C| = 30$\\
&$|B \cap C| = 50$\\
&$|A \cap B| = 40$\\
&$|A \cap B \cap C| = 10$\\
&$|(A \cup B \cup C)^c| = ?$\\
&\hrule \\
& \\
&$\begin{aligned}|A \cup B \cup C| = |A| + |B| + |C| - |A \cap B| - |A \cap C| - |B \cap C| + |A \cap B \cap C|\end{aligned}$\\
&$\begin{aligned}|A \cup B \cup C| = 130 + 280 + 150 - 40 - 30 - 50 + 10 = 560 - 120 + 10\end{aligned}$\\
&$\begin{aligned}|A \cup B \cup C| = 450\end{aligned}$\\
&\hrule \\
& \\
&$|(A \cup B \cup C)^c| = |U| - |A \cup B \cup C|$\\
&$|(A \cup B \cup C)^c| = 1000 - 450 = 550$\\
&\\
\end{tabular}

\end{table}





\end{document}