Not too easy. Not too difficult.
Tracy Vaughn does an amazing job in that she doesn't just toss out the information. She explains it in easy to understand ways. (Relatively. I mean it is Calculus...)
I learned how to take derivatives and learned what they can be used for in real life. For example how fast water drains out of a pool.
Hours per week:
Advice for students:
Do your homework! It is not required, but you will not do very well on the exams if you fail to do the homework!