Education would be the element that is not a component of the CPI market basket among the choices given. By definition, a CPI market basket contains goods and services that can be consumed on a daily basis and could its values are essential to be used for tracking the inflation taking place in the economy.
The answer is the vector PQ has (4-1, 8-2) as components, so it is vecPQ= (3, 6) using the definition the distance PQ= sqrt ( 3²+6²)= sqrt(9+36)=sqrt(45)
