The data in the graph suggest a linear association. Which of the functions best represents the equation of the line of best fit?
A y = -225x + 1.124
B. y = -0.004x + 5
C. y = -x + 5
D. y = 0.01x + 5
A3.1) Put your multiple choice answer here,
What is the slope and what does it represent in this situation?
A3.2) Put the slope and what it means here,

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.