2 sandwiches and 3 croissants costs £11. 3 sandwiches and 6 croissants costs £19.50.
Find the cost of a sandwich.
Find the cost of a croissant

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

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.

Agallon of apple juice cost $7 a pack of eight 4.23oz box of apple juice $2.39 which is a better deal