Question

George is trying to make some decisions about his business and has come up with P = (x - 100)(x + 20), where P represents his profit margin and x represents the number of DVDs he sold. What does (x - 100) mean?

Answer 1

so since xd is 5 that means ad is 10
now you have 2 sides all you need is to find the last side you can use Pythagorean theorem and get 26 for db
answer 26.