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.
- $$\mathrm { a } _ { 1 } = - 5 , \mathrm {~d} = - 6 ; \mathrm { n } = 10$$

A) 220
B) 295
C) $- 295$
D) $- 320$