Write each product using an exponent:

20 x 20

7x+8y=-18, 4x-9y=-3 solve the system of equations

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

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?