Can some body help me please...​

When the pc version of the spreadsheet program became available, the ibm pc quickly became the top-selling personal computer?

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.

Q14 what is most important for you to choose before you build a network? a. private network b. nos c. network media d. network protocol e. directory service