On spring break, you are going to volunteer and paint houses. Each plastic container holds 5 gallons of paint. Your group gets two donations of 10 containers and 5 containers
of paint. You will purchase the remaining containers of paint needed to paint 21 houses.
For each house you will need 8 gallons of paint. What is the minimum number of
containers you need to buy?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

What is the measure of one interior angle of a pentagon

(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.