It would be better saying "Dear HR representative" instead. "To whom it may concern" is a very broad, generic and old-fashioned statement that I would avoid.
If you feel comfortable messing around with your machine, then yes. This is definitely one of those things you can pay someone to do, and it shouldn't be a big...
I think most managers will prefer an email. I wouldn't necessarily reach out to the manager, though. I'd email the person who set the interview up, who is usually an...
Sign into your account on the Comcast / Xfinity page. Click on Users and Preferences, then click Email Settings. Click on Forwarding, and follow the instructions on that page.
Go to the store and buy some. You can't really make this recipe without one of these essential ingredients. Other oils don't harden well so they can't really be used...
Use only one or two drops, depending on how much hot chocolate you're making. Vanilla extract is stronger than some might think, so don't use too much of it.