Explanation:
1. Right
2. Right
3. Right
4. Right
5. Right
6. Right
7. Its not properly visible sorry for this.
8. Its wrong

9. Right
10. Its wrong

11. Right
12. Its wrong.... Bcz square of minus is plus

13. Right
14. According to the BODMAS rule..



15.



16.



Hope this helps u
... ✌️❤️