Which situations described can be modeled by an exponential function?

(This is on USATestPrep btw.) And I can choose more than 1 answer

A. car rental for $38 plus $0.40 mile driven

B. bacteria colony of 5,000 triples every 60 minutes

C. city with a population of 20,000 doubles every 8 years.

D. 1,000 grams of radioactive material with a half-life of 6 hours

E. amusement park membership that costs $40 and then just $5 per visit​

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. complete parts (a) and (b) below. business degrees nonbusiness degrees total male 189131 634650 823781 female 169539 885329 1054868 total 358670 1519979 1878649 (a) find the probability that a randomly selected student is male, given that the student received a business degree. the probability that a randomly selected student is male, given that the student received a business degree, is nothing. (round to three decimal places as needed.) (b) find the probability that a randomly selected student received a business degree, given that the student is female. the probability that a randomly selected student received a business degree, given that the student is female, is nothing. (round to three decimal places as needed.)

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?