This table represents Rico's check register. A transfer of $30.00 was made on August 15 from his savings account into his checking account
How should the August 15th transaction be recorded on his check register?

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.