Answer: step 1
Step-by-step explanation:
 
        
             
        
        
        
Answer:
9πi/2
Step-by-step explanation:

Let f(z) = (5z² + 4) / (z + 3).

Using Cauchy's integral formula:

 
        
             
        
        
        
7 × x - 7 × 20 
You could rewrite it this way, 7 x (x-20), but the answer above is better 'cause it takes away the grouping symbols
 
        
             
        
        
        
Answer: the pitch of the roof is 2/9