Aperson is standing on a cliff that is 200ft above a body of water. the person looks down at an angle of depression of 42o at a sailboat. then the person looks at a yacht that is further out at an angle of depression of 15o. what is the distance (in feet) between the sailboat and the yacht? (round to the nearest foot)

3382-299=3383- ? fill in the blank?

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.

Select the correct answer from each drop-down menu. a parabola is given by the equation y = x2 − 2x − 3. the directrix of the parabola is given by the equation . the focus of the parabola is .