Hannah had $237 in her bank account at the start of
the summer. She worked for four
weeks and now she has $1685
in her bank. how much did Hannah make each week in her summer job

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?