In november it's about 50 degrees in New Jersey but in Antarctica it's about -40 degrees. How much colder is it in Antarctica then it is in New Jersey?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Write a similarity statement for the similar triangles. afgh ~ a

(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.