Suppose that there are 23 sophomores and 22 juniors in a Physics class. Two students are chosen at random to participate in a class demonstration. What is the probability of choosing two students at random and the first is a junior and the second one is a sophomore?

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.