A toy store is having a summer sell , last week at the store an action figure cost $8.50 this week during the summer sale the action figure costs $6.80 what is the percent decrease in the price of the action figure?

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?