How many different 8 bit strings begin with 000, end with 001, or have 10 as the 4th and 5th bits, respectively?

Im doing this last minute and literally none of my neighbors or people that my dad works with use excel so if anyone could me make up an example

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 engine component is shown in the above figure?