There are four swimmers in a race there will be a first place 2nd place and a third place prize awarded in how many different ways can the three prizes be awarded

Find the x coordinate of the point.

How do you use the elimination method for this question? explain, because i really want to understand!

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.