Investment companies or mutual funds that continue to sell and repurchase shares after their initial public offerings are referred to as

Open end

Explanation:

Open end otherwise known as mutual fund are those investments offered through fund companies which sells shares directly to investors. In an open end fund investment, there is no limit to the number of shares that can be offered therein. The shares traded are unlimited which means that shares can be issued in as much can be backed up with funds.

The prices for open end funds are fixed once daily which shows the performance of the investment for that day hence the only price at which investment shares can be bought for that day.

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.