Pretty easy, overall.
class work isn't hard, discussions aren't easy to get a good grade on. I found it hard to find things to reply to classmates about.
basic math skills, some graphing, and everything builds on the step before it.
Hours per week:
Advice for students:
watch the videos and then do the practice, because if you can get all the answers right the first time you don't have to do as many problems in simpler form (which take a long time), also be involved in discussions and don't reply on short answers.