Can someone please tell me if I’m correct or wrong

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible?

Evaluate this exponential expression,8. (2 + 3)2 – 42

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons