3. Write a triple integral in cylindrical coordinates giving the volume of a sphere of radius K centered at the origin. Use the order dz dr do. 4. Write a triple integral in spherical coordinates giving the volume of a sphere of radius K centered at the origin. Use the order do dpdo. 5. Let W be a cone topped by a sphere of radius 1 centered at the origin with angle 90 at the vertex. Write limits of integration for fu dV in the following coordinates: (a) Cartesian (b) Cylindrical (c) Spherical 6. Write a triple integral for the volume of the region between z = 5 and z = 10, with 2 5x2 + y