For regular Chemistry make sure that you study very well for the quizzes. They are not hard necessarily but you need to make sure that you understand the material well enough from the homework packets that she gives. If you're unclear on anything just rely on resources on YouTube/ Khan Academy as the powerpoints aren't very clarifying. Be sure to fully understand labs and the calculations that come with them to help pillow your grade and completely double-check that you included information like lab group, full name, period, date etc., having written everything in black pen and everything corrected in red pen before turning in any homework to not get points docked off. Essentially, t be sure to be on top of all the concepts covered in class and you should be able to receive a good grade/