I'm back from San Francisco. It is an awesome city (tons of walking) but it rained a lot so I didn't really get any good pictures. I got a couple decent ones of Alcatraz, but thats it.
yeah its a simple problem, but a lot of people forget what the ! even means because you learn it 1 day in high school algebra and then you never use it again. I'm tempted to put down the answer but i dont want to offend anyone by assuming some people in this community don't remember how to solve it
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