STOP REPORTING PEOPLE FOR NO RESONS I HATE THAT AND DELTEING OUT QUESTIONS FREE POINTS WHO WANTS IT ? and wht is the answer to this 3 x 3 = THIS QUESTION SO HARD PLZ PLZ PLZ PLZ ANSWER I WILL MARK YOU BRAINLEST

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.