Hello I need help please I only have an hour to do this

What values of data might affect the statistical measures of spread and center

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?

Identify the number 127 as a rational or irrational. explain