Find out what Ghost Rider 2, This Means War, The Vow, Safe House, The Secret World of Arrietty and more grossed at the box office over the weekend of February 17th 2012! Then learn what the industry is expecting for Tyler Perry's Good Deeds, Act of Valor, Wanderlust, and Gone! Host Grace Randolph gives you an inside look at the weekend box office with an industry perspective! Movie Math is part of the Beyond The Trailer network, associated with YouTube Next Lab!