I am currently in year 9 (9 grade for those in US) and I have a really rusty and a weak math background. I have 2 months of summer holidays coming up. I should be done with pre algebra in mid December. During my summer holidays I have more than 50 hours a week avalible for study and I was just is it possible to learn start learning or finishing learning pre calculus till July next year? if your answer is yes please suggest some resources that I can use.