Grady drew a circle on a drawing pad during math class. the diameter of the circle is 64 inches. using the formula below for area of a circle, what is the exact area, in square inches, of grady's circle? (diameter is 64 so the radius is 64/2)(a = πr2)(a.) 32π in2(b.) 64π in2(c.) 1,024π in2(d.) 201π in2

(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.