I'm selling this painting sometime in November or December 2020 put in the comments how much you'd be willing to pay for just for me to refer to minimum payment starting at 30 US dollars.

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; coefficient of correlation;

answer; synthetic production system;