Help with #10 a-c pls!!
i need the measurements for a and b

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Will give a: 122 b: 90 c: 48 d: 180

What is the measure of angle x? a.101 b.158 c.44 d.79