Alex conducted an experiment with a spinner. He recorded the frequency of each spin landing on letters A through D. Based on the data in the table, what is the experiment probability that the next spin will land on the letter B ?

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?