F(n) = 3(n+ 1). Find f(-2)

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

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?