Answer:
Hi there! Your answer would be 136.08, because you must times all 3 numbers they give on the picture.
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
7r³ - 3r² + 20r
Step-by-step explanation:
(9r³ + 5r² + 11r) + (-2r³ + 9r - 8r²)
You can get rid of the parentheses since there is nothing to distribute.
9r³ + 5r² + 11r - 2r³ + 9r - 8r²
Combine like factors.
7r³ - 3r² + 20r
 
        
             
        
        
        
Answer:
ok639010 is the answer of the day when I am in the toilet