Lydia used software and numerical data to create bar graphs. what software did she use?

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.

Research data that is presented using descriptive language is said to be

Anetwork security application that prevents access between a private and trusted network and other untrusted networks