The ages of people at a concert are normally distributed with a mean of 24 years and a standard deviation of 3.2 years. What is the age of a concert attendee with a z-score of -1.3 ?

Using elimination, what is -4x+2y=-12 4x+8y=-24

Solve 30% of what = 60 step by step

Acollege is selling tickets for a winter fund-raiser. one day, krissa sold 14 adult tickets and 8 student tickets for a total of $376. the next day, she sold 7 adult tickets and 11 student tickets for a total of $272. krissa wanted to find the price of one adult ticket, a, and the price of one student ticket, s. she wrote and solved the following system of equations.