PLEASE HELP
1) What is the common ratio of the following geometric series?
5, 25, 125...
A) r =25
B)r =5
C)r =125
D)r =100
2) Using the explicit rule of f(n)=200(0.5), find the first 3 terms.
A) 200, 100, 50
B) 100, 50, 200
C) 40, 80, 120
D) 1, 2, 3

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

In the geometric progression –3, 12, −48… what term is 3,072?

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол