How can you tell if there will be more than one solution for the geometric means? Why does this happen with geometric means?

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?