For each situation, comment on the applicability of the binomial distribution. a) You scatter 20 coins and determine if there are more heads or tails up. This is?b) You scatter 20 coins and count the number of heads. This is?c) You flip a coin 20 times and count the number of heads. This is ?d) You flip a coin until it lands head up 20 times. This is?

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.