Alright, so first question is: Felicity starts a new job with a salary of 16000 per year. She receives a raise of 850 each year with this company. Calculate her total earnings after fourteen years.

Im stuck with that and have no idea what to do...

And the next is finding the term number.

Determine the value of S19, in other words, 19th term for the following arithmetic series=

(-10)+(-4)+2+...