Really need answer part a and part b

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

Evaluate the expression for the given value of the variable 7a - 4a for a =8

The graph of g(x) is a translation of y = which equation represents g(x)?