A theme park designer wants to build a water slide with a slope of -3. The slide has to end at (120, 0). What is a possible starting point for the water slide? a. (360, 0)

b. (0, 360)

c. (0, 120)

d. (400, -500)

What is the slope of the line shown below?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

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.