Write an integer that represents this situation (be sure to include or-): a weight loss of 20 pounds

(-20)

Step-by-step explanation:

loss = a negative integer.

Nate wants to use a .org (or .gov) site about ecological roofs, a book featuring photos of different styles of room  because

1. It specifically talks about green roof's

2. Unlike the blog post, the .org/.gov is not attempting to sell a product that may change how the article is written.