Uli wants to write the phrase “the difference of seven and a number squared” as an algebraic expression. She wrote out several expressions in the table. Which expression correctly represents the phrase?

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)