Name an angle complementary to

Write two point-slope equations for the line passing through the points (6, 5) and (3, 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?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?