In a triangle ABC, AB=12cm, AC=13cm, BC=5cm. What is tan C?​

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

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?