If you save $4,500 at an interest rate of 13 percent per year, how much will you have at the end of seven years? A. $8,290.96 B. $9,368.78 C. $10,586.72

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?