What are the core skills necessary for communicating diplomatically?

This isn’t really school related, but like where the heck can you find manga, to read to where you don’t have to pay money, for points? my friend wants me to read bj alex, and i can’t find it anywhere for free.

Howard is designing a chair swing ride. the swing ropes are 5 meters long, and in full swing they tilt in an angle of 29° outside chairs to be 2.75 m above the ground in full swing.

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.