5 (a) Solve these simultaneous equations. Show your working. 2x-4y = 11 3x+3y =-6 (b) Solve the equation 2x^2 = 3(8-x) . Show all your working and give your answers correct to 2 decimal places. (c) h is inversely proportional to the cube of g. h = 4.5 when g = 2. (i) Find the formula for h in terms of g. (ii) Find the value of g when h=32/3.