Can I disable the display of tabs & Text Editor but still use the Visual Editor?

Hello,

I have very low-tech users, and they’ll be getting confused by seeing a “Text” tab appear….and will certainly at one point get a forum post all screwed up by using it.

So I’d like to disable the function and the appearance of the Text Editor tab.

Also: since I’m not having more than just the Visual Editor there, I have no need to display the tab that says, “Visual”….but I still want to use the Visual Editor for comments on my site.

Is that possible?

Thanks in advance for all your help!