The lesson separates all conflicts into three different categories. From the following list, select the three categories of conflict as defined in the lesson.

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.

Worth 50 points answer them bc i am not sure if i am wrong

What can you prevent issues related to downloading content form the internet