What is the slope? im desperate someone pls answer

Write a story that matches with the expression 42x-5 pls hurry

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

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