This very much depends on your school, but a common rule for most is that you must pass all of your classes no matter what you choose.
In some states there are state tests you must pass to graduate as well. For me, I had to take an Algebra State Test to pass 9th and continue.
the answer is: A. You will complete online lessons, quizzes, and assignments such as journals, projects, and discussions.
Online lessons, journals, and projects is being done to deepen your understanding of the topics that being taught in your class. It might provide you with new information that are not taught by your teachers.
Quizzes and discussions are being done to challenge yourself in order to measure how much you understand the Topic.
A true ignore this it needs to be 20 leettters