The sat was recently given at mcdowell high school. joe scored a 288 on a math section which is 2 standard deviations below the mean. jon scored a 633 on the math section which is a 1 standard deviation above the mean. what are the mean and standard deviation for the math section of the sat?

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?