How do I find the distance traveled and final speed

A car's motion is captured using a motion detector and displayed on the graph shown. Use 45 the graph to answer the following questions. Right is defined as positive. Answers have a 5% tolerance to allow for estimation. 30 Describe the direction of travel: 15 Left time (s) Describe the motion: velocity (m/s) 0 30 Moving at constant speed 5 10 15 20 25 -15 What is the distance traveled? unit -30 What is the final speed? unit -45