Answer:
2*2*9+4*12*3=36+144=180
Step-by-step explanation:
Choose whatever 2 points you want and you will always get the same slope. Calculate the rise and run.
Hoped this helped :)
A distance-time graph tells us how far an object has moved with time. The steeper the graph, the faster the motion. A horizontal line means the object is not changing its position - it is not moving, it is at rest. A downward sloping line means the object is returning to the start.