Answer:
4n+9
hope this helps
have a good day :)
Step-by-step explanation:
Given :
Nathan smiled at 50 people one day and recorded that 36 people smiled back at him.
To Find :
How many people should Nathan expect to return a smile if he smiles at 650 people over a period of time.
Solution :
Ratio of people smiled by total number of people is :

Now, it is given that we have to use the given conditions.
Therefore, ratio will be same :

Therefore, number of smiles Nathan expect to return is 468.
Answer:
Connect the arcs to make a perpendicular bisector
Square root 50 does not belong....all of the other numbers are rational numbers. square root 50 is irrational.