What is the perimeter of the isosceles triangle shown below? If necessary, round to the nearest hundredth.

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

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?