What doesthe mathematical expression 2 ∈ v means

Many random number generators allow users to specify the range of the random numbers to be produced. suppose that you specify that the random number y can take any value between 0 and 2. then the density curve of the outcomes has constant height between 0 and 2, and height 0 elsewhere. (a) is the random variable y discrete or continuous? why?

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?

Average acceleration: i have no idea how to do this.