I need help with math. Six-side pyramid.

The are of the base of a six-sided pyramid is

and the area of one side (b) is 18cm2. Calculate the volume of the pyramid.

How do i do this?

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.