Which type of information includes personal payroll medical and operational information

What is the communication process? why isnt it possible to communicate without using all the elements in the communication process?

The lee family is looking to buy a house in one of two suburban areas just outside of a major city, and air quality is a top priority for them. overall air quality is calculated by taking measures in 100 locations within each suburb and then calculating a measure of central tendency. in one suburb, there is a major bus station that creates very poor air quality at its location but has no impact in the surrounding parts of the suburb. in this situation, which measure of overall suburb air quality would be most useful?

The solution set for -18 < 5x-3 iso-3х3< xо-3хo3 > x