What is (1.5,-3) in slope formation

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

What statement is true? 2x^2-9x+2=-1