Multiple Banner Ads

I have been trying to find a way to display multiple banner ads at once from one provider. What I want to know is if it is possible and how it would be done?

Right now I can get multiple banner ads showing but later when I call “ads.hide” only one ad will be hidden and the other(s) will remain on the screen.

I am using admob as a provider by the way.

Thanks in advance for any help that you may provide.