Answer:
Brainliest po pls
Step-by-step explanation:
1. line graph are used to track changes over short and long period of time
2. the scale used in y-axis is number of enrollment and the scale in y-axis is year
3. 2010 because of the number of enrolles, 1,500
4. 1,800
5. 1 interval = 1,400
2 interval = 1,500
3 interval = 1,600
4 interval= 1,700
5 interval = 1,800
hope it helps
good luck!