[WILL GIVE BRAINLIEST!] Maritza made the purse that is shown below. The diameter of the circular part of the purse is 9 inches. She wants to add a piece of leather trim around the outside edge of the circular purse. Which expression can she use to find the length of the leather piece she would need (in inches)?
A) π×9

B) 2×π×9

C) π×(9/2)2

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.