Select all of the following statements that are true. 6 + 3 = 9 and 4 - 4 = 16
If 6.3 = 18, then 4 + 8 = 20
5.3 = 15 or 7 + 5 = 20
If 6 > 10, then 8 - 3 = 24.

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?