NO LINKS HELP ASAP PLEASE WILL MARK BRAINLEIST Margaret and Bethany have a lemonade stand for one week each summer. Each day they spend $1.50 on the ingredients necessary to make 20 cups of lemonade. they sell each cup of lemonade for $.25. How much do the girls, after expenses, earn on a day that they sell 18 cups of lemonade.

What is the frequency of the sinusoidal graph?

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o

(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.