What is the volume of the cone below? A. 270pi units 3
B. 8100pi units 3
c. 2700pi units3
D. 810pi units3

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.