Astone is dropped into a well. the sound of the splash is heard 1.45 s later. what is the depth of the well?

Answer this question! 30 points and brainliest!

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.

What is the the area of this triangle expressed as a monomial?