7cos(x) + 4cos(-x) 4.Find all solutions to the equation in the interval [0, 2Ï]. Mrs. Jones earns $12.50 an hour at her job. She cannot work more than 40 hours in one week because her employer cannot pay overtime. She makes at least 350 dollars a week at her job while working a variety of hours per week.
In The Hobbit, the dwarves names were Fili, Kili, Oin, Gloin,  Thorin Oakenshield, Dwalin, Balin, Bifur, Bofur, Bombur, Dori,  Nori, and Ori, so there were 13.
In The Hobbit, Thorin and twelve other Dwarves visited Bilbo Baggins on Gandalf 's advice to hire Bilbo as a burglar to steal their treasure back from the dragon Smaug. Smaug had attacked Erebor (the Lonely Mountain) about 150 years before, and had taken both the dwarves' mountain and their treasure.