Does anyone know how to change a pic on the computer not.. it been 3 years since i've changed my pic on the computer i forgot lol... I need help

1. you have a small business that is divided into 3 departments: accounting, sales, and administration. these departments have the following number of devices (computers, printers, etc.): accounting-31, sales-28, and administration-13. using a class c private network, subnet the network so that each department will have their own subnet. you must show/explain how you arrived at your conclusion and also show the following: all available device addresses for each department, the broadcast address for each department, and the network address for each department. also, determine how many "wasted" (not usable) addresses resulted from your subnetting (enumerate them).

What questions about an audience should be asked during presentation preparation? check all that apply. what does the audience already know about the topic? how will multimedia tools inspire the audience? is the information interesting and engaging? how will this information affect the presentation? will the audience change the message’s purpose? what is likely to interest the audience?

Andy would like to create a bulleted list. how should he do this? andy should click on the bullet icon or select the bullet option from the menu and then type the list. andy should press the shift key and the 8 key at the beginning of each line of text. andy should type the text and then click on the bullet command. andy should press return and the bullets will automatically