

Honestly, I hard disagree. Texting is so inefficient. If I want to have a conversation with someone, I just call them. It’s so much easier to just get everything sorted all out at once instead of trying to send messages back and forth and you get distracted and forget to reply. Meh. You can so easily turn a conversation that takes hours, sometimes days into a 2 minute phone call
Nope, you can’t assume the - is included in the square if there’s no parenthesis around it. The answer is -9. Think of it like “0-3²” which is more obviously -9.