Answer:
Graph part: Find where it says each letter on the grph and put in the following numbers:
2 -140
4 -280
9 -630
To plot your points:
1 point: find 2 on the X axis and find 140 on the Y axis, plot a point there. For the next 2 points, do the same thing. Find 4 on the X, go up to 280 on the Y.
Explanation:
The question says that there are 70 people in a group. Its then asks who many people would be in 2, 4, and 9 groups. Just muliply to get each answer and put it in the graph.