Abuilding cast a shadow on the ground that makes an angle of elevation of 56° from the end
of the shadow to the top of the building. the shadow is 120 feet long. what is the height of
the building?

If chord ab is congruent to chord cd, then what must be true about ef and eg?

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?

Sade bought 21 1/2 lb. of ground beef. he used 1/4 of the beef to make tacos and 2/3 of the remainder to make quarter-pound burgers. how many burgers did he make?