Freep points I have 6000 so

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

In figure 1-2 what is the distance from point b to point c?

Animals that are hunted by other animals and are eaten for food are called what