Why is mods keep deleting my answers/questions and putting "deleting all users homework"

When developing a stakeholder matrix, the portfolio manager must look at the portfolio governance in order to complete the stakeholder analysis. in your own words, what is the role, interest and expectations of the governance?

Technician a says that the radiator usually cools better if the front air dam is removed. technician b says that when a condenser has a leak it can be repaired easily with epoxy. who is correct?

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.