I want to start over with my blog but I can't delete the existing one. If I try to start again, it goes with the original one. How delete all blog components on my website?

I want to start over with my blog but I can't delete the existing one. If I try to start again, it goes with the original one. How delete all blog components on my website?

I have loaded several audio players on one web page. When I preview, thay are all playing at the same time. I do NOT have "play automatically" checked. How can I prevent them from playing automatically?

I have loaded several audio players on one web page. When I preview, thay are all playing at the same time. I do NOT have "play automatically" checked. How can I prevent them from playing automatically?

When I preview the page, the image is not all the way to the right side of the page. When I get out of Preview, I can't move it any more to the right than it is. I've tried tweaking the left, width numbers but not successful.

When I preview the page, the image is not all the way to the right side of the page. When I get out of Preview, I can't move it any more to the right than it is. I've tried tweaking the left, width numbers but not successful.

How can you determine when a published page was published?