Reflect shape A in the x-axis. 4
3
2
A
1
Х
-5 -4 -3 -2 -1 0
-1
2 3 4 5
-2
-4
-5

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano