New SAT Help Me With Math?

Hello ! I am a student in grade 12. To be honest I don't have any idea about SAT , I don't know what are the lessons especially for the MATH test . The questions are so huge especially those questions wirh problems and data and I have to apply it on June 2017 . I need to get good grade on Math please help me :(

Please have a more specific question that is applicable to a number of students in order to have an answer at Experthub.

You can find more info at http://blog.prepscholar.com/how-to-get-800-on-sat-math-by-a-perfect-scorer