What is negative 2/3 + 4/6

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?

Agatorade cooler has 36 cups of water. if a serving is 3/4 of a cup how many servings are in the cooler?