Question

Can you help with these please? I'm so bad at them!!

1. square root 160
2. square root -99
3. - Square root -169
4. square root -12

Answer 1

1. 4 times squareroot 10

2. 3 times squareroot 11

3. 13

4. 2 times squareroot 3

Answer 2

Thanks SO much!! :) Helped a lot, from the answers, I could understand how to derive them! Thanks again!
-Angellove:)