Weegy: (-6)^-2 = 1/(-6)^2; = 1/36 User: 2/5*2/5

Weegy: moved westward to coastal states User: How did environmental changes in the Great Plains lead to changes in ...

Weegy: Grey-hat hackers are those that may or may not do harm

Weegy: x^2 has a negative coefficient so the parabola is opens downward. x-coordinate = 0/2(-1) = 0 ; since ...

Weegy: 0.9(5x + 15) = 2.5 - (x + 3) 4.5x + 13.5 = 2.5 - x - 3; 4.5x + x = 2.5 - 3 - 13.5; 5.5x = -14; x = ...

Weegy: x^2 - x - 12 = 0; (x - 4) (x + 3) = 0; x - 4 = 0; x = 4; x + 3 = 0; x - 3; x = {4, -3}