Supplying Hyphens in Numbers, Word Parts, and Compound Words.?

Please tell me the hyphenated word, compund word, or number that needs a hyphen in the following sentences. If no hyphen needed type correct. 1. Strong bonds were formed between the adventurers during the two year rush to theYukon. 2. The native peoples were open to newly formed friendships. 3. Each person in an exploration party had three much needed items. 4. It was an unheard of occurence to leave civilization without a comp. 5. Equally important was a fairly high quality magnifying gl.