Use the substitution method to solve the system of equations: y = x + 6; y = 2x + 1. Write the answer as a point.

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?

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)