Ribeye with mashed potatoes and gravy at a Chinese place? That says something about their Chinese food. LOL.
A lot of places call themselves "Chinese & American food" to try and broaden their customer base. There's a lot of places that kind of diversify. I've been to this sandwich place owned by an ethnic Korean family. I had a burger and fries. Their regular menu is just burgers, sandwiches, eggs breakfasts, etc. However, they'll usually have daily specials on a white board that include oddball stuff including Japanese or Korean style food.