The magic carpet charges $90 for installation and $9 per square yard of carpeting. the carpeterias installation price is $50 but the store charges $13 for each square yard. for what number of square yards if carpeting will the cost, including installation, be the same for both stores?

This is about circle theorems. someone asap : (

Find the missing dimension! need asap! tiny square is a =3025 in ²

(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.