(7y + 8) + (8m - 3) + (6b+ 7) =

Me answer number 3plz explain how you do it

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?

Does the point (1, sqrt 7) lie on circle shown.