Kate ran 6 miles. How far did she run in kilometers?

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?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

Which of the following graphs could represent a cubic function?