A building that is 15m tall casts a shadow that is 6m long. At the same time, a tree casts a shadow that is 9m long. How tall is the tree?(round to the nearest tenth)

Which term best describes the association between variables a and b

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?

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?