I think it’s 9 in the 3rd lane the 3 rd one
The slope intercept of this function would be 3, or the line moving +3y for every x.
It would indicate that quartz and olivine have similar densities but olivine is a little more dense. It also indicates that gold has a much greater density than either of the others
The incenter of a triangle is equidistant from all sides of the triangle
The incenter is the center of the biggest circle that can be drawn in the triangle, and is called incircle
The incircle will be tangent to all sides of the triangle.
Observation:
In an equilateral triangle the incenter, circumcenter, and centroid are all the same