Aparticular bacteria population on an athlete's foot doubles every 3 days. determine an expression for the number of bacteria n after t days, given the initial amount is 40 bacteria.

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points