El perímetro de un triángulo isosceles es 2k
Determine de área de este triangulo en función de k

How do i do this activity, is appreciated

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?

What is x3+3x2−16x−48 divided by x−1?