Graph the image of the figure after a dilation with a scale factor of centered at (5, -5) (7,-3)(9,3)(-7,-5)

If eh = hg and hg=16, find the diameter of k

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

I'm confused on this could anyone me and show me what i need to do to solve it.