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.

rewrite the expression as a sum of two fractions, and simplify?

what does the quotient 35/x represent?

As a practical equation, this one doesn't make much sense -- why would the profit per person have a term proportional to the number of people?  Let's just go with it.

That's the answer to the first part.

35/x represents a portion of the profit that's 35/x per person, or a constant $35 per tour.

the answer

b. they are parallel and will never intersect.

the first one, all those points on the line just make a strait line.