To measure the height if a tree, a surveyor walked a short distance from the tree and found the angle of elevation to be 43.9°, then walked 20 feet farther and measured the angle of elevation to be 37.6°. Find the height of the tree.

The slope of cd is which segments are perpendicular to cd ? select each correct answer. gf , where g is at (6, 5)and fis at (10, 2) ef, where e is at (4, 1) and f is at (7,5) lm , where lis at (-2, 3) and m is at (-10, 9) jk , where jis at (1, -2) and k is at (10, – 14) next

At the beginning of a call to the cable company, a message tells customers, "after you finish talking to our customer service representative, you will be asked to take a five-question survey about the level of service you recieved. it would be appreciated if you could stay on the line to answer the survey questions." what type of sampling is the cable company using?

A11 gram sample of a substance that’s used to treat thyroid disorders has a k-value of 0.1247