Help I will mark you the brainiest!

Answer:
20,27,34
Step-by-step explanation:
to get from -8 to -1 we add 7
to get from -1 to 6 we add 7
we are adding 7 each time
13+7 = 20
20 +7= 27
27+7 = 34
the 2nd one because you are adding 7
Hope that helps and feel free to ask me more questions :)
Brainliest??