The areas of the squares created by the side lengths of the triangle are shown. Which best explains whether this triangle is a right triangle? 3 squares combine to form a triangle. The squares have areas 9 inches squared, 12 inches squared, 15 inches squared.

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.