Is 10 a rational number or irrational number

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

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?

Write the slope intercept equation for line ab.