I NEED HELP FAST PLEASE !!

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)