Aschool ordered 3 large boxes of board markers. after giving 15 markets to each of 3 teachers, there were 90 markers left. how many markers were originally in each box?

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

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.

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3