They equal to 180 because they are supplementary angles
There are 5 people who can be guards, 2 will be guards. Since each person has the same chance of becoming a guard, each person has a 2/5 chance of being a guard which makes it unlikely for Diana to become a guard.
Answer: Your answer is 3.5 miles per hour.
Step-by-step explanation:
They are not proportional
This is a guess, but I think its A. I could be wrong though.