*will give brainliest*
mrs. washington lives 20 miles from her office and drives her car to and from work every day. the graph below shows her distance from home over time as she drove home from work one day.

answer the following questions about the problem above. write in complete sentences to get full credit.

1. what is the slope for section "d" of mrs. washington's commute?

2. what does it mean that the slope is negative in context of the problem?

3. why are the slopes different over different intervals?

4. how long does it take mrs. washington to get home? how did you know this?