SAT Math II tomorrow, comparing Practice test scores to real ones?

So I did about 9 practice tests so far, 2 from College board OG, 6 from Barron’s and 1 from Dr Chung’s. My Barron’s scores are around 730-750 range (Missing around 10) and my College board OG scores are 800 and 780 (missed 5 and 9). Since the test is tomorrow… Is there anything special I should do for now to get an 800? How close am I? (I am really stressed right now because I really really want to do well but I know I am not completely perfect yet. )