square root of 11.
3 & 4
2. square root of 33.
5 & 6
3. square root of 8.
2 & 3
4. cube root of 220.
6 & 7
5. cube root of -80.
4 & 5
6. fourth root of 20.
2 & 3
7. square root of 300.
17 & 18
8. fifth root of -35.
2 & 3
9. square root of 150.
12 & 13
10. cube root of -312.
6 & 7