Subject and Verb

[jack]

http://www.motorcyclecruiser.com/str...owtobuyhelmet/

This is the one taken from the article above:
1. The soft-foam comfort liner and the way it holds your head and ears is vital.
(Is #1 wrong? Or is it okay? If so, why isn't it 'are'? What does it mean when it is 'is' ? How do you know when it is a mistake?)

2. The soft-foam comfort liner and the way it holds your head and ears are vital. (What does this mean compared to using 'is' ?)

Thanks.

[Tdol]

I can't find the original, but I presume it should read 'the way it holds your head and ears'. You could use a singular verb, linking the liner and the way it holds, or the plural, separating them into two things. However, 'head and ears' do not effect the verb. I would probably use 'is' here.

[jack]

Are these correct? What is the subject and the verb here?

1. I think the coffee mixed with my provoked up feelings is keeping me awake. (Correct?)
2. I think the coffee mixed with my provoked up feelings are keeping me awake. (Wrong?)

Is 'the coffee' the subject here? 'Mixed' is not part of the subject right?

Thanks.

[Tdol]

I think the coffee mixed with my provoked feelings is keeping me awake.

I'd use 'is' here, and delete 'up' after provoked.

I think the coffee and my feelings are keeping me awake.

[jack]

Are these correct? What do they mean?
1. The technology and everything is the same. (I have one subject here?)
2. The technology and everything are the same. (Two subjects?)

Does it matter if I use 'is' or 'are'?

Thanks.