Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. They tackle math, science, computer programming, history, art history, economics, and more.
Need help citing your resources? Don't know how to do an in-text citation? Try using the Online Writing Lab (OWL) provided by Purdue University.
Or try NC State's Citation Builder if you need a time-saving tool to help you cite your sources.