A mouse runs 5 m north across the floor before hearing a cat. Then it runs back south along the same path for 1 mand turns west to run under a sofa 3 m away. What is the displacement of the mouse and the total distance it ran?

a. The mouse's displacement is 5 m southwest and it ran 9 m.

b. The mouse's displacement is 5 m northwest and it ran 9m

c. The mouse's displacement is 9 m and it ran 5 m.

d. The mouse's displacement is om and it ran 9 m.