What function is shown on this graph

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

Which of the following circles have their centers in the third quadrant?