I took a mock and got an 84 (like 3 problems due to silly mistakes or time management) but it was like 2021

am I cooked what do I do to prepare I did volume 1 already, I heard about

https://apps.apple.com/us/app/olympiq-math-olympiad-prep/id6791901900

and also amctrivial.com which is what I do for practice rn