What is thr value of the expression (-2)5

Consider the reaction 2x2y2+z2⇌2x2y2z which has a rate law of rate= k[x2y2][z2] select a possible mechanism for the reaction.

Graph the equation by plotting point x=2

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0