Write a templated set_difference function that takes in two unordered_set references and outputs the set difference of the two: an unordered_set that contains all of the elements that are in the first unordered_set but not in the second. Your function should be templated so that it can perform set differences with unordered_sets of any type.

Aconstruction company is creating a powerpoint presentation describing how they calculate costs during each construction step. they plan to email this presentation to clients. the individual clients will be watching the presentation slide show on their own personal computers. what is the most important formatting step the company should take to make the text readable and pleasing to the eye?

Avariable definition defines the name of a variable that will be used in a program, as well as

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.