Year-end is hyphenated in AP Style and is an adjective.
Not according to AP style guides, no. You only hyphenate when the last of the first piece and the first letter of the second piece are the same vowel (such as "pre-election" or "re-enter").
Look for an AP story in your newspaper; it will evidence the style.
A yearend is the end of a year, particularly a financial year.
In AP style, "PhD" should be written with no spaces and with both letters capitalized.
Numbers 10 and up use numerals in AP style. Therefore, "15-year friendship" would follow AP style.
In AP style, temperature should be written with the degree symbol () followed by the numerical value. For example, 75F.
In AP style, temperatures should be written with numerals and the degree symbol, such as 32F for Fahrenheit or 0C for Celsius.
Taekwondo is not capitalized in AP style. Taekwondo is written as one word, and would only be capitalized if it were used at the beginning of a sentence.
In AP style, company names should be written in full on first reference and can be abbreviated on subsequent references.
masters of business administration
This is accomplished via two different commands; the sequence would be: chown bob /etc/yearend chgrp acctg /etc/yearend
No, in AP style the song goes in quotes.