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In the 30-60-90 triangle below side s has a length of and side r has a length

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

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?