SIMPLIFY THESE
1. 3
9
2. 4
8
3. 5
15
4. 7
28
5. 9
45
6. 25
45
7. 6
30
8. 12
15
9. 4
14
10. 20
30
11. 18
30
12. 42
49
13.
14.

Simplify these