1. Every morning, from their house to the bus stop Raine has to walk 12 m west , 24 m North and 12m East in 80 s . a) What is the total distance travelled by Raine ? b) What is her average speed? c) What is the total displacement of Raine? d) What is her average velocity.

2. A bus travels on an interstate highway at an average speed of 85 km/h. How far does the bus travel in 1.5 hours?

3. A postman delivers a letter to a recipient who lives 24.0 km away from the post office. If it took the postman 0.50 h to reach the recipient's home, what is the speed of the postman?