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.
Luckily, two of the dwarves (Fili and Kili) find a cave in a side of the mountain. They bring in the ponies and make camp for the night. In the middle of the night, Bilbo wakes with a start, just in time to see the ponies get dragged into an enormous crack that has opened in the cave wall.