I Suck at math so much

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

34 cup. a serving of vegetable soup is 23 cup. the restaurant sold 20 servings of chicken noodle soup and 18 servings of vegetable soup. how many more cups of chicken noodle soup did they sell than cups of vegetable soup?

Which term best describes the association between variables a and b