3. Which solution would be better to implement? Justify your answer.

How many and of which kind of roots does the equation f(x)=x3−x2−x+1

Solve the system of equations. 2x-2y=-4 and x+y=8. show work

At the beginning of a call to the cable company, a message tells customers, "after you finish talking to our customer service representative, you will be asked to take a five-question survey about the level of service you recieved. it would be appreciated if you could stay on the line to answer the survey questions." what type of sampling is the cable company using?