If a family selected at random from the city subscribes to at least one of the three newspapers a, b, and c, what is the probability that the family subscribes to newspapera

Solve for x i'll try to attach the files bc it's not letting me for some reason

How many solutions does the nonlinear system of equations graphed bellow have?

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