Answer:
29
Step-by-step explanation:
You take the two sides and make them to the second power so 20 would be 400 and 21 would be 441. You add those numbers to get 841. Than the square root of 841 is the answer which is 29
- 40
Everything but A and C
que?
i don't now
i just want tp know what app this is or what yall are learning over here
