Suppose R is plotted in the above coordinate plane and is collinear with A and B. If the ratio AR: AB is 1/3, then what are the coordinates of R?

Answer:
=-4/2
Step-by-step explanation:
xp=x1 +k (x2-x1)
=-3+1/3 (2- -3)
=-3 + 1/3 (5/1)
= -3 + 5/3
= -9/3 +5/3
= -4/2
sorry it doesnt look the best :)