*23. Which vertical line is the line of symmetry and the line of reflection for this figure and its reflection?
(105)
00
6
5
4
E
3
2
1
0
1 2 3 4 5 6 7 8

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.