How do I do? What is the answer and why

Bob’s bank charges him a $3.15 service fee every time he uses an out-of-network atm. if bob uses an out-of-network atm an average of three times every two weeks, how much will he pay in service fees over the course of a year? a. $327.60 b. $109.20 c. $491.40 d. $245.70 select the best answer from the choices provided a b c d

Factor the polynomial. b^2 + 4b + 4

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585