Melissa is mailing packages. each small package costs her
$2.40
to send. each large package costs her
$4.30
. how much will it cost her to send
6
small packages and
3
large packages?

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?