Which of these is a Microsoft certification for system engineers?

When creating a presentation in libre office impress, where does the editing of slides take place?

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.

Quick pl which one of the following is considered a peripheral? a software b mouse c usb connector d motherboard