What is the term used when a password is obtained through tricking a user into giving it to another party?

Pthe price of tickets in a group when a purchased in bulk can be found with the equation c=px+24 were c is the cost, p is the number of people, and x is the price per ticket. what is price of of each ticket if it costs $189 to buy tickets for 15 people ? a $8 b $24c $9d $11 show work

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.

Anetwork security application that prevents access between a private and trusted network and other untrusted networks