Which expressions are equivalent to the slope of the line below? ->

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?