Of course. Everything is prerecorded.
The interview you are about to see was prerecorded.
Most of the stage shows use prerecorded sound effects.The late night talk shows are prerecorded earlier in the afternoon.
You can use the word "prerecorded" in a sentence like this: "The company played a prerecorded message when I called their customer service hotline."
You do not need to hyphenate.
You do not hyphenate the number.
You hyphenate it only at the hyphen.
Don't hyphenate; ongoing is one word.
I think it's more accepted to hyphenate it.
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 would hyphenate "thank you" when it is used as an adjective before a noun, such as in "a thank-you card."
You can hyphenate the word improvement like this: im-prove-ment.