2025 AMC 8 Problems

Problem 1

Let $m$ and $n$ be $2$ integers such that $m>n$ . Suppose $m+n=20$ , $m^2+n^2=328$ , find $m^2-n^2$ .

$\textbf{(A)}\ 280 \qquad \textbf{(B)}\ 292 \qquad \textbf{(C)}\ 300 \qquad \textbf{(D)}\ 320 \qquad \textbf{(E)}\ 340$

The 2025 AMC 8 is not held yet. Please do not post false problems.

The 2025 AMC 8 is not held yet. Please do not post false problems.

The 2025 AMC 8 is not held yet. Please do not post false problems.

The 2025 AMC 8 is not held yet. Please do not post false problems.