SAT HELP

Ok so I'm taking the SAT in the morning if you have any tips ESPECIALLY for the math please let me know like basic formulas I need to know or just anything that will help me. I appreciate the help from y'all. Wish me luck bc I'm stressing. I'm also doing the essay portion so just please give me advice on ANYTHING. (sorry I'm posting this everywhere so I'm sorry if you see it multiple times)