No - "Each half is 60 minutes." However, you would hyphenate in a sentence such as, "The game consists of 60-minute halves."
no because that is stupid and decimals are for numbers
If you are writing words, yes. But it looks better to say 5:30 rather than five-thirty.
Generally, when spelt out in words in English, you hyphenate the numbers between 20 and 99 which have digits other than 0 in the units column - for example, twenty-one, twenty-two, twenty-three.... ninety-eight, ninety-nine.
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Don't hyphenate; ongoing is one word.
You do not hyphenate the number.
I think it's more accepted to hyphenate it.
You hyphenate it only at the hyphen.
You do not need to hyphenate.
You would hyphenate "thank you" when it is used as an adjective before a noun, such as in "a thank-you card."
Can you, or should you? You can hyphenate it if you're moving between lines in a paragraph and need to break up the word. You shouldn't hyphenate it normally.
You mean at the end of a line? Well it depends on how much room you have hyphenate at a syllable is probably best. If you have little space before the end of the line don't hyphenate a word. You could hyphenate like this trans- portation.
No...
You can hyphenate 3 bedroom when it is used in a list. It is usually not hyphenated when it is used by itself.
You can hyphenate the word improvement like this: im-prove-ment.