The bottle of shampoo is half price for 2.10 was 4.20, its a 500 ml bottle of shampoo.

the unit price of the hair shampoo is given in cents per 100 millilitres (ml).

what is the unit price for the hair shampoo when it is on special?

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 always true when two whole numbers are subtracted?

I’m really confused and need your assist me with this question i’ve never been taught