What is the volume of the sphere below with a radius of 9?

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.

In the following conversation, which group discussion technique does emily most clearly show?

Which sentence contains the central claim in "compulsory voting: an idea whose time has come" by tor hunter?