Use the graph to find Estimates of the solution to the equation x^2-x-2=3

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.