A popular beach erodes 4 inches per year on average . the number line below shows the accepted change in the coastline as years pass .How could you use the number line to show the erosion after 10 years.

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?