Central angle is 130
Semi circle is BED and BCD
Major arc is CEB
Measure BAC is 130
BEC is 230
The union of the sets are the values that appear in both sets when plotted in a Venn diagram and if I'm not mistaking, I think the right answer is (B)
5:9 is just 5/9
Hope this helps!
18 divided by 6 is 3
when you add 3 with 4 it gives you 7
7 is your total answer