How do you solve? using either factoring, completing the square, or quadratic formula?

Taking algebra two apex courses and need with these questions

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?

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be