Is the business is a “public accommodation” under the US Civil Rights Act

Is the business is a “public accommodation” under the US Civil Rights Act and/or NRS 651.050?

If it depends, what does it depend on?

BusinessCRANRS Maybe, it depends on …
Hotel showroom
House with 4 rooms on Airbnb
7-Eleven store
Food truck parked on campus
Coffee cart in a hotel lobby
Private VIP cabana at a hotel pool
Las Vegas Athletic club
Bar located in its own building
Maple Bluff Country Club