Find the Sum of the First N Terms of the Following

Multiple Choice

Find the sum of the first n terms of the following arithmetic sequence.
- $$a _ { 2 } = - 65 , a _ { 5 } = 220 ; \mathrm { n } = 10$$

A) 2675
B) $- 5875$
C) 3475
D) $- 3475$