what is the perimeter of one of the five congruent rectangles shown to the right? The larger rectangle with perimeter 198 cm is divided into 5 congruent rectangles.

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume

(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.