Answer:
42
Step-by-step explanation:
The height of the pole is 4 times shorter than the length of the shadow 20÷5=4
The height of the building must be 4 times shorter than its shadow length 168÷4=42
 
        
             
        
        
        
Interpreting your expression as

when 
 approaches zero, the numerator approaches 3:

The denominator approaches 0, because 
Moreover, we have

So, the limit does not exist, because left and right limits are different:

 
        
             
        
        
        
Answer:
2 and 1/4 liters
Step-by-step explanation:
add them together
 
        
                    
             
        
        
        
Answer:
its supposed to be 120 degrees because the angle picture thingy looks like its an obtuse angle and too big to be 60 degrees
Step-by-step explanation: