If 1+1 =2
then what does 2+1=?

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?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect