Pythagorean Theorum since that is what you are trying to prove.
Answer:
The best estimate for the average rate of change is 
Step-by-step explanation:
we know that
the average rate of change using the graph is equal to
In this problem we have
Substitute
Answer:
there is a .0625% chance of getting yellow
Step-by-step explanation:
Https://mathbitsnotebook.com/Algebra1/RealNumbers/RNProp.html