The question is down below and i am really struggling it would help if you told me the answer thxs

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?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)