You are expecting an important letter in the mail. as the regular delivery time approaches, you glance more and more frequently out the window, searching for the letter carrier. your behavior in this situation typifies that associated with which schedule of reinforcement?

What do character formats do for your document's message? a.set the tone b.provide organization c.provide clarity d.set how texts align with documents

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.

How does is make you feel when you're kind to others? what are some opportunities in your life to be more kind to your friends and loved ones? imagine a world where kindness has be outlawed. how would people act differently? would your day-to-day life change significantly? why or why not?