Answer:
1 would be on 1.4 so before 1.5 on the line
2 would be on around 4.1 so after 4.0 by a little
3 would be on 3.3 so kind of in the middle of 3.0 and 3.5
4 would be on 2.8 so before 3.0
5 is on 2.2 so a little after 2.0
6 would be just a little more than 5 around 5.09
11 is E
12 is A
13 is D
14 is C
15 is B
16 is B
17 is A
18 is D
19 is C
20 is E
All you have to do is find the square root through a calculator then round your answer and estimate where it would go on the line. Hope this helped