If the cone and the square pyramid have the same volume, find the radius of the cross section of the cone

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x