One kind of bacteria in a laboratory culture triples in number every 30 minutes. suppose a culture is started with 30 bacteria cells. how many bacteria will there be after 2 hours?

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

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

How many 3/8s are in 6 plz someone tell me now