https://docs.google.com/presentation/d/1_KVa6KAZjX50VW1GwB2cRSLzqF1sqdSOpYKXYHd0Bbg/htmlpresent 18, 45 12. 26, 52. . . 13. 42, 56 14. 20, 36 15. 18, 72. 10 of 36. Class ... 18, 36. 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60. Answer: 12 rows. 28 of 36.