What goes after 2, 9, 11, 18, 20, 27

29 goes after 27

Step-by-step explanation:

the patern is add 2, then add 7, repeat

29

Step-by-step explanation:

From 2 to 9, it's adding 7.

From 9 to 11, it's adding 2.

   and so forth with the rest of them

11-18: 7

18-20: 2

20-27: 7

    so it's a pattern rotating by adding 7 then by adding 2

so from 20 to 27, we added 7, so now you need to add 2.

27 + 2 = 29

so your answer is dun dun dun '29'

a reflection across the x-axis , followed by the by a reflection across the y-axis , and then a scale dilation of 0.5 .