plss pahelp po

11. 2/9 *

4/18
6/18
9/18
15/18

12. 3/5 *

12/25
15/25
18/25
21/25

III, Determine whether each is a proportion or not, YES if proportion , No if not.

13. 2/3 and 4/6 *

Yes
No

14. 4/5 and 8/9 *

Yes
No

15. 3/7 and 4/9 *

Yes
No​