How does solving a literal equation differ from solving a one-step or two-step equation?

Is a deceasing linear model or an exponential decay model likely to be a better fit for the data about remembering? ?

Two lines parallel to a third line are parallel to each other. always sometimes or never

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