A cube has height of 4 cm. What is the volume of the cube?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).