Suppose a household's monthly water bill ( in dollars) is a linear function of the amount of water the household uses in hundred of cubical of feet (hcf) when graphed the function gives a line with a slope of 1.45. if the monthly cost is 18hcf is $46.50 what is the cost for 12hcf

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?