Atrain leaves little? rock, arkansas, and travels north at 80 kilometers per hour. another train leaves at the same time and travels south at 60 kilometers per hour. how long will it take before they are 560 kilometers? apart?

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