Taven mixes 18 liters of 14% acid solution with a 35% acid solution, which results in 23% acid solution.
let x represent the number of liters of 35% solution used and let y represent the number of liters of mixture. which system of equations can be used to find the number of liters of 35% acid solution in the mixture

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.