When graphing a linear inequality, what does a dashed boundary line indicate?

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

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?