NATIONAL MONUMENTS A 42-foot flagpole near the Washington
Monument casts a shadow that is
14 feet long. At the same time, the
Washington Monument casts a shadow
that is 185 feet long. How tall is the
Washington Monument?

Of four points are collinear, they are also coplanar

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.

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?