A company ships a cube with side lengths of 2 feet in a crate that is a larger cube with side lengths of 4 feet. Packing material is placed around the smaller cube. Which expression can be used to find the volume of the part of the larger cube that is filled with packing material?
A. 4²-2²

B. 4³-2³

C. (4-2)²

D. (4-2)³

(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.