At haines elementary, 30% of the 120 teachers were male. the following school year, several new teachers were hired. the number of female teachers remained the same, but the number of males increased to 40%. how many new male teachers were hired? plz tell me how u get the answer thx

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

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.