Answer:
Hypothesis
Step-by-step explanation:
The hypothesis is an educated guess that can be tested through experimentation.
 
        
             
        
        
        
Let:
the ladder length = l
the distance from the wall and the ladder = x
cos (39) = x / l 
x = l  * cos (39) = 14  * cos (39) = 10.88 ft
Hope that helps 
        
             
        
        
        
Answer:
All of above 
Step-by-step explanation:
Scientific notation is a mathematical expression used to represent a decimal number between 1 and 10 multiplied by ten, so you can write large numbers using less digits.
 
        
                    
             
        
        
        
Answer:
i think blue
Step-by-step explanation: