69KiB, 640x787, avh4tij3e3f41.jpg View SameGoogleiqdbSauceNAO Anonymous Mon 28 Sep 02:00:17 2020 No.12169439 ViewReplyOriginalReport Quoted By: >>12169443 >>12169450 How do you prepare for a course before you take it? Especially if it's a STEM course, such as chemistry or computer science or math.