Find to the nearest 10th of a degree amp solutions to the equation cos theta= -5/8 in the interval 0 is less then or equal to theta which is greater then or equal to 360 degrees.

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?