Write the equation of a parabola that has a vertex of (-2,5.5) and passes through the point (-2.5,2.5).

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

What is the radius of the cone in the diagram? round your answer to the nearest whole number