What is 200000000 plus 20000679

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?

Select all of the following expressions that are equal to 2.5.

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)