Which aspects of chinese culture did the mongols adopt?
the style of dress and government organization
the artwork and the advanced style of architecture
the civil service exams and government appointments
the tax system and the advanced farming technology
hey booo

I'm confused on this could anyone me and show me what i need to do to solve it.

Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?

F(x)=3(1.54)^x whats this how do you do it