How will the volume of the pyramid change if each side is multiplied by a factor of .5

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)

Can someone me i’m confused. will give brainliest and a whole bunch of points

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23