I need help answering this one

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?