So, we know the sum of the first 17 terms is -170, thus S₁₇ = -170, and we also know the first term is 2, well

well, since the 17th term is that much, let's check what "d" is then anyway,
Answer:
226pi
Step-by-step explanation:
2 * pi * 7 *(7+12)
Answer:
b i think
Step-by-step explanation:
The answer to this question is 71
Should’ve listened in class buddy