6. how do u find the answer? i know the answer ( it's 208) but how u get it

Place the following steps in order to complete the square and solve the quadratic equation,

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?

Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?