B. 3 
at 4 weeks it is at 12 cm. 4x3 is 12
        
                    
             
        
        
        
Would it be 43? 62-19=43? Sorry if this isn’t helpful I’m just trying to catch up on homewokr so I gotta answer some questions
        
                    
             
        
        
        
Answer:
4
Step-by-step explanation:
you cant simplify a hole number
 
        
             
        
        
        
Answer:
2x^3−7x^2+16x−15
Step-by-step explanation:
(2x−3)(x^2−2x+5)
=(2x+−3)(x^2+−2x+5)
=(2x)(x^2)+(2x)(−2x)+(2x)(5)+(−3)(x^2)+(−3)(−2x)+(−3)(5)
=2x^3−4x^2+10x−3x^2+6x−15
=2x3−7x2+16x−15
 
        
                    
             
        
        
        
Answer: Its a angle ...
Step-by-step explanation: Hope its fine.