"refer back" is it polite

Hi all...,

If somebody ask me on email and need my asnwer soon but i need to cross check before final asnwer..is it polite if i say "i will refer back to you soon" ??? is it common using in English?

thanks in advance :-)

"where life will take us"

what is the meaning of this quote:

 

"we never know wher life will take us" is it mean we never know where we die? or we never know what will happen in the future?

 

thanks.

"FYI" is it polite?

hi everyone....

 

please help me out...is it polite to write "FYI" on email to your boss?

which one more better "FYI" or "just to let you know"?

 

thanks beforehand

say "something" after numbering of age

hi all..,

 

i want to ask, is it ok to say: my age is turning 30 something...

-> what is the meaning of "something" in this sentence?

 

thanks beforehand.

 

what is "I'm coming in hot" means?

"dear all" in invitation meeting is it polite if i use "Dear all," in my greeting in my invitation email if the participants of meeting consist many of people(there are girls and boys)..thanks

what's the meaning of: I can't take it any longer?

what's the meaning of: 1. I really need to get away. 2. what's the differences between 'right away' and 'right now' thanks.

please help me out.. i want to send invitation email for discussing facilities at new office..i got difficult in using polite invitation..please help me