23h−13h+11=8
please help me

What is the measure of angle tvu shown in the diagram below

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

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