A. if this door is opened after 10 pm., an alarm will sound. b. this crate of oranges came from the johnson farm if it is not marked with jj. c. the common cold, tu, and other viral diseases occur when the immune system is weak. combine each statement and its converse in exercises 15 and 16 into a biconditional statement

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet