Test your knowledge and see if you can pass a Common Core fifth-grade math test.
There are 15 questions in this sample. When you're done, see how well you did.
The following five celebrity urban legends will likely live on long into the future, despite the fact that none of them is remotely true.
Kevin C. Cox/Getty Images
With Katy Perry set to headline the halftime show at Super Bowl XLIX, check out who has performed at past Super Bowls.