The sales tax on a $25,000 car is $1,375 what is the sales tax rate?

What is the length of the unknown leg in the right triangle ?

Find the area of the regular hexagon if a side is 20 cm.

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?