Which summation will not produce 2 + 4 + 6 + 8 + 10 + 12?

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

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?

Solve the system of equations. y= 2x y= x^2 - 15