"La Traviata" is based on the literature work "La dame aux Camelias." You can get more information about the La Traviata at the Wikipedia. Once on the website, type "La traviata" into the search field at the top of the page and press enter to bring up the information.
No, "Alice in Wonderland" is a work of fantasy literature by Lewis Carroll. There is no evidence to suggest that it is based on a serial killer.
The movie 2012 is a work of science fiction. It is based off of hype and superstition.
Yes, your employer can deny you a day off. They generally schedule their employees based on the needs of their business.
Yes. It's been proven. Not even hard work will get you abs.
Try Goof Off, it may work better.
It was based off of the legend of zelda.
Most of Shakespeare's work was based off of stories he'd heard from around the country, and from other people's work. In particular he made use of Holinshed's Chronicles (a history book) for many of his plots.
Eleven year olds can make money off of literature and arts by organizing and putting on a play, then charging admission for it.
It is based off of Halloween.
[The phrase based off is an improper form derived from the phrase "based on."]
The new Army was based off of France, then later became to be based off Germany. Also their Navy was based off England.
The car was based off of the carriage hence the name.