Point m is the midpoint of segment qr. if qm = 2x + 5 and mr = 5x – 1, find the length of qr. qr = 18 qr = 9 qr = -9 qr = 8

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