ANSWER FAST PLS (the second pic is the graph you need)

Ann is 0 miles away from home at the point (0,0) This took place before Ann started to walk.

Step-by-step explanation:

The point (0,0) on a number line, also called the axis, means that Ann is 0 miles away from home. This is because, the point is at the start of the graph, and the only numbers in this point is 0. This means, that when at this point, Ann was 0 miles away from home.

Hope this helps! :D