What is (f·g)(x)?

f(x)=x^2+2x−6
g(x)=x^4+3

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

Michael and imani go out to eat for lunch if their food and beverages cost 25.30 and there is an 8% meals tax how much is the bill