I hope this helps you
square root of 441
square root of 21.21
square root of 21^2
21
<h2>
Answer:</h2>
We will simply solve them and get correct answers that will match the answers provided.
1.
= 
2. 
= 
3. 
= 
4. 
= 
10 groups of 3 students = 30
3 groups of 10 students = 30
5 groups of 6 students = 30
6 groups of 5 students = 30
2 groups of 15 students = 30
15 groups of 2 students = 30
Answer:
im pretty sure its the 3rd one.
Step-by-step explanation