Write an addition problem that is modeled by the following number line : Do this quickly please :)

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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

Find two consexutive odd integers such that the sum of their square is 650