Each unit on the graph is equal to 1 block. How many blocks does a delivery truck need to travel to deliver flour from the flour mill to the bakery? Select the correct answer. A.

4 blocks

B.

5 blocks

C.

6 blocks

D.

7 blocks

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.