As men and women age, their risk of death increases. there are also health issues that can greatly impair older citizens' abilities to participate in activities and travel. assume you are planning a 60th high school reunion and are wondering how many of the older adults would be able to attend. if you know that 22 women and 18 men are still alive, and are told that exactly 8 of them will attend, what is the probability that you would have exactly four men and exactly four women attend?

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

(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.

Y=21.95x+10 y=22.45x solve by substitution