amy is building a house. the basement floor is at -15 feet. the roof of the house is above the ground 25 feet. express the comparison if heights as an inequality. explain the meaning of the inequality.

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?