Tamara and Clyde got different answers when dividing 2x^4+7x^3-18x^2+11x-2 by 2x^2-3x+1. Analyze their individual work

Triangle abc is reflected over the line y=x triangle abc has points (-6,-,-1) and (-5,-6) what is the c coordinate

Bring the fraction a/a-4 to a denominator of 16-a^2

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.