How do i find d and e? explain in great detail

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Y+ 2/y is it a polynomial in one variable or not? and if so, why?

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false