Find the GCD and LCM of each pair: 27 and 36

GCD= GREATEST COMMON DENOMINATOR
LCM= LEAST COMMON MULTIPLE

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 depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?