A population of bacteria doubles every 18 hours. Initially, the population of bacteria is 50. What is the population of the bacteria after 54 hours?

54

1020

400

300

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

How can you tell when x and y are not directly proportional?

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex