Find the product. 3(x+4)(x-5)

A. 3x2 − 11x − 20

B. 3x2 − 20x

C. 3x2 − 3x − 60

D. 3x2 − x − 20

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?