What would you enter at the command prompt on a linux system to display a list of files and subdirectories that exist within the present working directory?.

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Which of the following are types of formatting you can apply to a spreadsheet? choose all that apply.

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.