Answer:
13.86 ft
Step-by-step explanation:
This can be represented by a right angled triangle with a hypotenuse of 16 feet and an angle of 60° between the hypotenuse side and the adjacent side.
The height of the pole is the side opposite to the angle 60°.
The trigonometric function states that for a right angled triangle:
sinθ = opposite / hypotenuse, cosθ = adjacent / hypotenuse, tanθ = opposite/ adjacent
To find the height of the flagpole, we use:
sin(60) = height / 16
height = 16 * sin(60)
height = 13.86 ft
The person with the incorrect reasoning for the height of the flagpole is  Charlie when he should have utilized the  sin function. Because he incorrectly selected the  function.
 
        
             
        
        
        
2 i think. it says one of each doesn't it?
        
             
        
        
        
Answer: 
 laps can Fred run in one hour.
 laps can Fred run in one hour.
Step-by-step explanation:
Given Statement: Fred is running on the school track. He can run  laps in
  laps in  of an hour.
  of an hour. 
Unit rate are expressed as a quantity of 1, such as 3 feet per second or 7 miles per hour, they are called unit rates
From the given condition we have;
In  he can run
 he can run  laps
 laps
Unit rate per hour = 
                               = laps
 laps
Therefore, Fred can run in one hour is,  laps.
 laps.