What is it called when columns filled with pairs of numbers that have the same ratio

You can call it a constant proportionality table because it is used to find the constant of proportionality and proportional relationships. (I am not really sure)

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

20000 as first it increases by 2500 then by 5000 so next it will increase by 10000