What does the prefix pro mean in the word proactive

Pls needs hypehen or no hyphen 1. after serving as principal for ten years,mr. jones will resign this year 2. it's sixty seven degrees outside and it's only february!

What is the probability of getting a license plate with 123 abc or abc 123?

Edgar allan poe uses many sound devices in his poem "the bells." which two words from the poem are examples of onomatopoeia?