(4p +3)(5p2 + 6) is your answer
        
             
        
        
        
IT IS 15 BECAUSE YOU HAVE TO ADD IT UP
        
                    
             
        
        
        
4.5 / 2 = 2.25cm radius for the smaller circle
3.14 (pi) × 2.25² = 15.89625cm²
10.5 / 2 = 5.25cm radius for the larger circle
3.14 × 5.25² = 86.54625cm²
86.54625 - 15.89625 = <span>70.65cm</span>² 
The answer is 70.7cm².
        
                    
             
        
        
        
Hello there,
1/18 + 1/x = 1/2 
<span>1/x = 9/18 - 1/18 </span>
<span>1/x = 8/18 = 4/9 </span>
<span>x = 9/4 or 2.25 
</span>
Glad to help!
-HotTwizzlers
        
                    
             
        
        
        
Answer: Company B (1.80)
Step-by-step explanation:
1.04= 4% Increase
1.80= 80% Increase