7) Luigi's cousin's ate part of a large pizza he made. Hector ate % of the pizza and Zamiah ate '% of the pizza. Luigi shouted "you ate 9/20 of my
pizza”. Is Luigi correct that they ate 9/20 of the pizza? Explain and
show your thinking
I

Can any one me with the answers to these questions asap?

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

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.