ANSWER AND EXPLAIN I’LL MARK BRAINLIEST

It says factor each expression 49x-28?

1: 4 if the wew 35 surfboards at the beach how many were short boards?

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