If terri were stretching 4 days per week, how many days per week would she need to stretch to increase her frequency variable? 1 day 3 days 4 days 5 days

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.