Quadrilateral that is a parallelogram
Do you mean subtract two each day? If so...
4x3=12 and 12 divided by 2 is 6 so it would take six days to reach zero
or
you could manually subtract two from 6 each days as in 12-2=10 (1 day), 10-2=8 (2 days), and so on...
A regular hexagon can be dissected into six equilateral triangles by adding a center point

so 1.25 is the right answer not sure tho
When a line in a slope graph has no rise/run like this one, there is no slope.
The slope is "Undefined".