Is this a polygon?

Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59 a. 14%, 62%, 23% b. 15%, 60%, 35% c. 10%, 70%, 20% d. 11%, 62%, 27%

Write a function rule for the table

Which term describes the point where the perpendicular bisectors of the three sides of a triangle intersect?