8. (12 points) an experiment starts with 30 bacteria. after 4 hours, there are 135 bacteria. how long will it take for the bacteria population to reach 4,500? round to the nearest tenth of an hour. you must show your work to receive credit.

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?