a sculpture is formed from a cylinder resting on the top of cuboid the cylinder has a radius 40 cm and height 70 cm the cuboid measure 80 cm by 80 cm by 140 cm the sculpture is made of steel the steel has a density of 8.05 g/cm³ calculate the total mass of the sculpture in tonnes you must show your working

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.