What value of ? makes (2a^4b^2)^?(3ab^4)=24a^13b^10 true

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?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.