(20 points and brainliest for best)determine if there is a proportional relationship between the two quantities. explain your reasoning.

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

Someone me what is the area of this figure? 18m 18m 8m 16m

What is the solution for 6 - 7/8? explain the steps.