Explicit formula
200,-40,8

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?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Solve the triangle. a = 21°, c = 105°, c = 5