IS ANYBODY GOOD AT GEOMETRY? I have a few questions left and I’ll pay you if you help. Comment on this. Thanks.

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

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10