Solve Systems of Linear Equations by Substitution, Identify the Nature of Solution. (2x + y = 8
ly=x-7
The solution is (-5,7). Infinite solutions
The solution is (3,-5). One solution
The solution is (5,3). One Solution
The solution is (7,-5). Infinite solutions

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