Final answer:
The Cowfish and Rumba restaurants were first opened in the year 2010.
Step-by-step explanation:
The Cowfish and Rumba restaurants were first opened in the year 2010. Cowfish is a fusion sushi burger bar, combining traditional Japanese and American flavors, and was founded by Alan Springate and Marcus Hall. Rumba is a Mexican restaurant and tequila bar located in Seattle, Washington, and was opened in 2010 by Marcus Charles and his wife, Leticia Charles.