Make an equation 4,1 and -8,-5 to find slope

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

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?