Which operation should you perform first in the expression 12×42?

Question and answers are in the attached picture. you so much in advance.

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

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.