I need to convert 2/3 into rational number to its decimal form ad round it to the nearest thousandth

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?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Write a similarity statement for the similar triangles. afgh ~ a