Daniel was covering a square bulletin board with paper. One side of the bulletin board measure 3 feet.
How much paper did he need?

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?

Common binomial factor of 6x(3x+7)+5(3x+7)

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.