The map shows the three most highly populated locations of a city. City officials want to build an emergency healthcare center in a location that is the same distance from each of the three locations. Find the coordinates of the location the city should use for the emergency healthcare center.

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.