F+3π=7π write and justify your answer

Ihave trouble finding the nth term of a linear sequence

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

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