Classify the triangle formed by the side lengths as right, acute, or obtuse. 11 13 23

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Find the arc length of the semicircle. 7the grade

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?