\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}{D}}
\chead{\raisebox{0.5cm}{\Huge Set Operations}} % (add title text if you want)
\rhead{\resizebox{!}{2cm}{D}}
\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{2in} m{2in}}
   \includegraphics[width=1in]{images/single.png} 
     & $\includegraphics[width=2in]{images/pair.png}$ 
     & $\includegraphics[width=2in]{images/triad.png}$ \\
  \end{tabular}



  % -------- Abstract -------------------
\begin{tabular}{m{1.2in} m{4in}}
\multirow{5}{*}{\centering\includegraphics[width=1in]{images/abstract.png}} &
$|X \cup Y| = |X| + |Y| - |X \cap Y| = |U| - |X^{C} \cap Y^{C}|$ \\
& $|X \cap Y| = |X| + |Y| - |X \cup Y| = |U| - |X^{C} \cup Y^{C}|$ \\
& $|A \cup B \cup C| = |A| + |B|+ |C| - |A \cap B| - |B \cap C| - |A \cap C| +|A \cap B \cap C|$ \\
& $|A \cap B \cap C| = - |A| - |B| - |C| + |A \cup B| + |B \cup C| + |A \cup C| +|A \cup B \cup C|$\\
& $|A\cap B| = |A \cap B \cap C^{c}| + |A \cap B \cap C|$\\
\end{tabular}

% -------------------- Question --------------
\begin{tabular}{m{1.2in} m{4in}}
\includegraphics[width=1in]{images/question.png} 
& \includegraphics[width=2in]{images/Chart_02_D.png}\\
& $Y=3,000 : M=4,600 : R=7,000$\\
& $R \cap M=3,010$\\
& $R\cap Y=1,400$\\
& $Y\cap M=1,400$\\
& $Y\cap R \cap M=600$\\
& $U = 10,000$\\
& $Y \cap M^{C} \cap R^{C} = \includegraphics[width=0.15in]{images/question.png}$\\
\end{tabular}
\end{table}

% second page
\newpage
\thispagestyle{fancy}
\begin{table}[h!]
\begin{tabular}{m{1.2in} m{4in}}
\includegraphics[width=1in]{images/key.png} 
& \includegraphics[width=2in]{images/Chart_02_D.png}\\
& $Y=3,000$\\
& $M=4,600$\\
& $R=7,000$\\
& $R \cap M=3,010$\\
& $R\cap Y=1,400$\\
& $Y\cap M=1,320$\\
& $Y\cap R \cap M=600$\\
& $U = 10,000$\\
& $Y \cap M^{C} \cap R^{C} = \includegraphics[width=0.15in]{images/question.png}$\\

&${\rule{\linewidth}{0.5pt}}$\\

& $|Y| = |Y \cap M| + |Y \cap M^{C}|$\\
& $|Y \cap M^{C}| = |Y| - |Y \cap M| = 3,000 - 1,320 = 1680$\\

&${\rule{\linewidth}{0.5pt}}$\\

&$|Y\cap R| = |Y \cap R \cap M| + |Y\cap R\cap M^{C}|$\\
&$|Y\cap R \cap M^{C}| = |Y \cap R| - |Y\cap R \cap M| = 1400 = 600 = 800$\\

&${\rule{\linewidth}{0.5pt}}$\\

& $|Y \cap M^{C}| =|Y \cap M^{C} \cap R^{C}| + |Y \cap M^{C} \cap R|$\\  
& $|Y \cap M^{C} \cap R|  =|Y \cap M^{C}| - |Y \cap M^{C} \cap R^{C}| = 1680 - 800 = 880$\\  

\end{tabular}
\end{table}





\end{document}