We are sorry that you have struggled with some aspects of the course content. When you have questions related to understanding the material, we advise learners to post their questions in the Discussion Forums. Oftentimes, your classmates may be able to help you. If you have questions about a specific graded activity, please contact the course team at the email address provided in the course. You also have the ability to “retake” any edX course. Additional course dates are posted on the edX website.