A construction worker's starting salary is $43,000. Each year she receives a $1100 raise.
A.) Let an be the construction worker's salary in the nth year. Write an explicit formula of the form an = bn + c to model this situation.

an = 41,900 + 1100n

B.) Find a10 = $ 52,900

C.) In what year will her salary be $55,100? __________