for anyone who did school on odyssey. ware instead of actually going to school did you take major tests like the sat or presat

Yes if you want to attend a college or university that requires the SAT/ACT, you must take the SAT/ACT.

It depends on the subject for me. some exams are easier than others so i usually go through it and answer questions i know based on my general knowledge, then double check after. going through the lesson can a lot  because the exams can be  very lesson-specific, but sometimes they are ridiculously long so a lot of people don't take the time. i did find that, when i went through the lessons, i was making 100's on my exams vs strictly using + the internet and  i make 90's. 

B.  earth orbits at a slower rate than the rate at which the moon orbits earth.