How are these triangles congruent

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

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?

Describe how you can act financially responsible.