HELP ASAP!! Noah bought stock in a company two years ago that was worth xx dollars. During the first year that he owned the stock, it increased by 31%. During the second year the value of the stock increased by 15%. Write an expression in terms of xx that represents the value of the stock after the two years have passed.

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.