No it is not. It increases by 1 more each time.
So it is an increase of 5, then an increase of 6, then an increase of 7. This means it is not arithmetic.
Answer:
i need to see a triangle first
Step-by-step explanation:
I think the answer would be 0,7 and 4, 2 but I am not 100 percent sure
Answer:
- 
Step-by-step explanation:
Given

= 
=
, substitute values
= 
= 
= - 
The answer is y= -1/2 + (-4)