Differentiate between internal and external noise with regards to an office

Imagine that you have a friend who is starting a small business and is interested in using social media to spread the word. he is not certain that it is a good move, and has come to you for . would you advise him to use social media to advertise his business? why or why not? support you answer with information from the text.

Gabe wants to move text from one document to another document. he should copy the text, paste the text, and open the new document highlight the text, select the cut command, move to the new document, make sure the cursor is in the correct location, and select the paste command select the save as command, navigate to the new document, and click save highlight the text, open the new document, and press ctrl and v

Least square fit to polynomial write a function leastsquarefit3pol that solves a linear system of equations to find a least squares fit of a third order polynomial to an experimental data set given as two row arrays. the function leastsquarefit3pol must explicitly solve a set of linear equations and cannot use polyfit. there should be no restriction on the size of the problem that can be solved.