I have two bezier curves in Inkscape. I'd like to join the end of one curve to the beginning of the next. Can this be done? That is, join two nodes, and the have the two corresponding control points bound to one another?

I have created several ellipses using Inkscape. I can select multiple ellipses, resize them together, and then save the file as a PDF. When I do this, the image is not rendered the way I want it to be rendered in the PDF viewer. When I reduce the width of the group of ellipses(actually arcs, like at...