Two gears are connected by a belt. The larger gear has a radius of 7 inches, while the smaller gear has radius of 4 inches. If the small gear
rotates at 50 rpm, find the angular speed of the large gear in radians per minute.

Given the graph below state whether or not the relation is a function, and give the domain and range.

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

(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.