1- Laura wants to hire the village hall for a party. It costs £50 per hour and there is an administration charge of £25.
Write a formula for the total cost (T) to hire the hall for (h) hours.
a

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe