If the cone and the square pyramid have the same volume, find the radius of the cross section of the cone. Round your answer to the nearest hundredth.

Given that (x-3) is a factor of f(x)=x^3+ax^2-x-6, find a and hence the number of real roots or the equation f(x)=0

Miranda is braiding her hair.then she will attach beads to the braid.she wants 1_3 of the beads to be red.if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?

Which statement justifies why angle ebc measures 90?