substances some times shrink when they dry. a silicone sheet dried and over time shrank -6/11 inch for every linear foot. which repeating decimal is equivalent to -6/11?

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

What percent of 18 is 24? and plz explain thx.

Rewrite so the subject can be y in the formula d=m-y/y+n