Suppose you threw a Frisbee and it landed on your roof, caught in the rain gutter. You want to know how high off the ground it is to the
rain gutter to determine if a 12-foot ladder will suffice. You walk ten feet away
from the house to place your mirror on the ground, and then walk another five feet until you see the gutter in the
mirror.

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