@cassandra4120,
Set up a 6 by 6 table for the sample space.
(Green 1 to 6 horizontal, Red 1 to 6 vertical)
Each answer can be found by counting the number of squares for that event and writing it as a fraction out of 36.
e.g. (a) there are 6 squares which represent a total less 5, so p=6/36 =1/6