Solve the Quadratic Equation

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

What is the value of -3/4 to the 4th power? -256/81 -81/256 81/256 256/81

Solve the equation for x by graphing.2^x – 4 = -4^x + 4