If a(7,9) and b(3,12) find ab (remember: ab means "the distance between points a and b")

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

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 of these tools or constructions is used to inscribe a hexagon inside a circle?