What is the volume of the sphere shown below with a radius of 3?

Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.