Jake bought 4 1/2 pounds hamburger for the cook out. how much did it cost him if hamburger is $1.80 per pound

Which expression is equivalent to sq-80

What is the absolute value of the complex number -4-sqrt2i

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?