Simplify the following (a) 3x x 10 = (b) (c) 5xx4 = (d) 7y-2p+4y-3p =. 2y+3y-y=_ (e) 20 5 (f) Zxzxzxzxz= (g) 7b x 5b= (h) 6f x 2f5= UESTION TWO Write an algebraic expression for each of the following: (a) I think of a number and add 7 to it. The result is 20. (b) A number multiplied by 2. The result is 8. oduced by SING (c) I divide a number by 7 and get a result of 4. QUESTION THREE The value of x is 12.Calculate the value of each of these expression (a) x-4= (b) 2x = (c) 30-x= (d) 25- x = (e) x + 3 = QUESTION FOUR Expand and simplify the following (a) 5(x-4)= (b) x(7-x) =_ (c) 4(7g+3)-3(2g-7) QUESTION SIX (a) If x = 5 and y = 3 find the value of 3x - 2y. (b) The formula for the area of a cone is: A = rh (A = area r = radius h = height) Calculate the volume of a cone with a radius of 10cm and a height of 20cm.