GRE
The volume of a hemisphere (half of a sphere) that has radius $$k$$
The volume of a right circular cylinder that has height $$k$$ and whose base has radius $$k$$
n
4
The least possible value of k
1
$$x^{-1}$$
$$y^{-1}$$
x
7.4
$$\frac{n}{9}$$
q
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