Hi, I do a lot of f-r-e-e points and stuff like that so if you ever what f-r-e-e points feel f-r-e-e to answer but sometimes I ask questions too so please answer those ones real. Anyway here is a f-r-e-e points question! Enjoy! (sry for the -)

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is 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