Factor completely:
3x² + 5x - 12

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 inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?