What is the square root of 144

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In hard times by charles dickens, the scene in which the characters discuss the depiction of horses on wallpaper and flowers on carpets is the author’s way of showing the absurdity of

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.

Which secondary effect of advertisement happens when a customer is satisfied by a product and buys it for a second time?