select the procedure that can be used to show the converse of the pythagorean theorem using side lengths chosen from 6cm, 8cm, 10cm, and 12cm

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?

Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?