9t + 21t - 8
It needs to be factored

What is the value of the expression below? 148+(-6)| + |– 35= 7|

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?

Which graph represents the parent function of y=(x+2)(x-2)