Start with x2 + 4x = 12 and complete the square, what is the equivalent equation?

A) (x + 2)^2 = 16
B) (x + 2)^2 = 14
C) (x + 4)^2 = 16
D) (x + 4)^2 = 28

Factor the monomial completely 42a3b3

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

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?