12 In the figure YW bisects ZXWZ Fill in the following blanks Lesson 8 2 2 points W 2x 5 7x 20 N X Y Josh s solution a m XWY m b If XY 9 cm then ZY c Solve for x Once you solve for x take a look at the four student solutions below Only one of the student solutions shown below is correct Circle the student whose work is correct 7x 20 2x 5 180 5x25 180 5x 205 205 x 5 x 41 Aly s solution 7x 20 2x 5 5x 20 5 5x 15 15 x 5 N x 3 Kari s solution 7x 20 2x 5 90 9x 25 90 9x 115 115 x 9 x 12 78 Vivian s solution 7x 20 2x 5 9x 25 25 x 9 x 2 78