Can someone pls help me

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?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

If g^-1(x) is the inverse of g (x) which statement must be true