para malaman natin kung ano ang teretoryo ng bawat bansa
I guess that would be a line on which you would record data about the international date line.
the international date line isn't straight because it goes over aisa
The straight line that best fits the data on a coordinate plane is the Line Of Best Fit.
The International Date Line.
a line of best fit
a line of best fit
a line of best fit
Because the "best fit" line is usually required to be a straight line, but the data points are not all on one straight line. (If they were, then the best-fit line would be a real no-brainer.)
linear graph
Many sets of data do not form into straight lines. If by "What if" you mean how to plot a line onto this graph. Then simply draw a curved line of best fit.
a line of best fit
A Linear graph