There are 5 columns in a table. Column 1: Heart outline, Filled spade, Filled Clover Column 2: 2, 3, 12 Column 3: 3, 2, 18 Column 4: 4, 3, 24 Column 5: 3, 4, BLANK What goes in the blank and why? Possible answers are 30, 28, 36, 32, 40. I think the third number in the columns is only a function o...