The average of 3 numbers is 19.
Two of the numbers are 17 and 24.
What is the third number?

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?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.