What is the word form to 40,023,032

What is always true when two whole numbers are subtracted?

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.)

What is the domain of the function y=3 ln x graphed below?