Incorrect 2, 9, 11, 15 & 16 Incorrect 19, 22, 24, 41 & 43 Correct 1, 3-6 Correct 7,8,10,12,13 Correct 14,17,18,20 & 21 Correct 23,25-28 Correct 29-33 Correct 34-38 Correct 39,40,42,44, 45 Correct 46-50