If they are red then she is most likely a RIR. The white egg must have been from a different hen. The hen in your photos does not look mature enough to me to be laying yet.
This picture is maybe a month or more old. It was the best one I had of her so I thought it would be best for identifying her. I'm not sure who laid the white egg then. I do have some sex links and maybe one of them was responsible for the white one. I have no idea what breeds they came from.