I can't see the pic, can you post another one?
Answer:
-7/2
Step-by-step explanation:
Add all the numbers from 30 to 80 and that is your answer
The correct answer would be the 2nd option because it increases by a specific amount every X value.
put 8/3
Given
r=16c
Step-by-step explanation
20-4=r
16=r