Finding the Domain of a Rational Function In Exercises 1-6, find the domain of the a
rational function. See Additional Answers.

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?

How is this equation completed? i cannot find any examples in the book.

Bob paid $3 less than tim at a local pizza parlor. together they spent $7.80. how much did bob pay for pizza?