Evaluate the following numerical expression 2+(-3)+7

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?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2