Janet has created a 3d movie. she wants to make a copy of the movie and store it for future use. which device should she use?

What characteristic of long period comets suggest they come directly from the oort cloud?

Acase study allows a more detailed look at the life of a single subject than any other study.

Pp 4.1 design and implement a class called sphere that contains instance data that represents the sphere’s diameter. define the sphere constructor to accept and initialize the diameter and include getter and setter methods for the diameter. include methods that calculate and return the volume and surface area of the sphere (see pp 3.5 for the formulas). include a tostring method that returns a one-line description of the sphere. create a driver class called multisphere, whose main method instantiates and updates several sphere objects.