An airline can only sell seats on an airplane prior to departure. Once the plane has left for its scheduled flight, any unsold seats on the plane lose their inherent value as an empty seat never can be utilized (and charged) after departure. The fact that service capacity cannot be stored for later consumption or sold at a later point in time illustrates the characteristic of services.

answer: 11/12

step-by-step explanation: 4 1/4 and 3 1/3 is equivalent to 4 3/12 and 3 4/12. 4 3/12 - 3 4/12 =11/12

answer: a. the kind of population living in your neighbourhood.

the census explorer data tool by the us census bureau allows the user to zoom in on any neighbourhood within the united states and find the kind of people residing in that by race and age.  

the tool needs to needs to be used twice – once in order to find what type of people reside in a neighbourhood, and then to see the age groups of the people in the same neighbourhood.

answer; lags, push the econ below the natural level of output;

it established new limitations on use and disclosure for marketing purposes, prohibited selling medical information, expanded individuals’ rights to accessing their own information, and to obtain restrictions from certain disclosures of protected heath information to health plans.