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Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Witch represents the inverse of the function f(x)=1/4x-12

There are three grizzly bears in the city zoo. yogi weighs 400.5 pounds, winnie weighs 560.35 pounds, and nyla weighs 628.29 pounds. what is the average weight of the three bears? (hint: what do they weigh all together? ) a. 502.97 pounds c. 604.38 pounds b. 529.71 pounds d. 794.57 pounds