write the point slope form of the equation of the line through the given points. through: (-3, -3) and (-5,4) through: (-5,3) and (0,2) through: (4, -4) and (4,0) through: (1,-3) and (1, -5) please help me​

What is the purpose of this chart? a. to show the populations of the largest cities in the world b. to show the populations of major cities today c. to show the populations of major cities in 1500 d. to show the populations of major cities in europe