section 5.1/1,15,17,19,21,22 section 5.2/1,9,,15, 17, 19*, 23,27,29,30,33,35,37*,41,42,47,49,53 section 5.3/7-27 (odd) 41,43*,45,47,50,51,55 section 5.4/ 1-13 (odd),2*,49,57