XML is more useful for information exchanges between programs than the internal logistics of a program (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.

What is the biggest difference between section breaks and regular page breaks

When writing a business letter, how many times can you use the same merge field in a document? once once, unless using the address block feature unlimited it will depend on the type of document you choose