If f(x)=x3-2x2, which expression is equivalent to f(x)

The graph shown below expresses a radical function that can be written in the form f(x)=a(x+k)1/n+c what does the graph tell you about the value of n in this function

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Which of the following circles have their centers in the third quadrant? check all that apply.