Answer:
Option A. 
Step-by-step explanation:
we know that
The combined area of the 3 windowpanes and frame is equal to

using a graphing tool to solve the quadratic equation
The solution is 
see the attached figure
 
        
             
        
        
        
Answer:
f ' (n) = 5f
Step-by-step explanation:
1- Take the derivative
2- remove the parenthesis 
3- use differentiation rules
4- Differentiate
5- Simplify  
 
        
             
        
        
        
Answer:
-0.5
Step-by-step explanation:
 
        
                    
             
        
        
        
Help with what tho you need help with what I don’t see it 
 
        
             
        
        
        
Answer:the first one opn and qps 
Step-by-step explanation: