Create a system of equations that has many infinite solutions I need help please, I will give extra points if possible, and mark you as brainliest.

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

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?