6 A circular swimming pool has a diameter of 24 ft. and a water height of 3.5 ft. A pump can fill the pool at a rate
of 1.2 ft (9 gallons) per minute. About how long will it
take to fill this pool (in hours)?

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.