Mary takes 8 days to do a full check of the library's online catalog. Her assistant takes
12 days. If they work together, determine the
fraction of the catalog that is checked after
4 days.

Long division the problem is 40 ➗ 348 = ?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?