The volume of a sphere of radius 4cm
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An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

Which expression gives the area of the triangle shown below

What is the 12th term of b(n)=-4-2(n-1)