Question

http://prntscr.com/6ixq5a

Answer 1

i think it's just a

Answer 2

A

Answer 3

it might be both tho

Answer 4

okay

Answer 5

http://english.stackexchange.com/questions/54756/do-i-capitalize-sincerely-in-a-correspondence-signature

Answer 6

so A

Answer 7

in the closing of a letter, only the first word should be capitalized unless it is a name.