Hogue, M. D., M. Spengler, R. Hughes, and C. Bell. “uilding a oundational nderstanding of ystems of quations”. hio ournal of chool athematics, vol. 94, no. 1, Aug. 2023, p. 21-30, http://voyager.janeway.systems:9999/index.php/OJSM/article/view/9482.