There are many cylinders with a height of 9 inches. Let r represent the radius in inches andV represent the volume in cubic inches. Is there a linear relationship between the radius and the volume of these cylinders? Explain how you know.

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.