Skip to main content
Toggle navigation
Courses
How It Works
Schools & Partners
About
English (US)
Español (Latinoamérica)
edX Help Center
Courses
Completing Assignments
Follow
New articles
New articles and comments
Completing Assignments
Explaining Multiple Choice Answers
Completing Mathematical Problems with Screen Readers
Using Numbers in Math Expressions
Using Greek Letters in Math Expressions
Scientific Notation and Metric Affixes
I can't make a deadline; can I get an extension?