The answer that you should get is -16
Answer:
https://www.mathpapa.com/quadratic-formula/
Step-by-step explanation:
Please go to the website above to solve these problems. Unfortunately, I don't have time to go through them all. This is a nice website that I have used before. Just enter the problem and the site will walk you through the steps.
Answer:
5/15 or 3rd Chance.
Step-by-step explanation: If you add all of the straws together, and take the amount of medium straws there are: the probability will be limited to the amount of medium straws - of course with the total amount involved. Though, I'm not entirely sure, It's been a while since I've done anything like that.