Iis is used on more than twice as many web servers as apache web server. true or false?

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.

Whats three fourths of 15(this is supposed to be in math but i clicked too fast)

What multimedia system creates an immersive, real-life experience that the user can interact with?