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.
About a century after the Elves awakened, the Seven Fathers of the Dwarves were roused. Of those seven, only the name of one is known, Durin I, who was called the deathless. Each one of the seven fathers became a king of his own clan, and each built his own great hall.