Your answer is 100ft. This is because to find the radius when you already know the diameter you have to divide the diameter by 2.
        
             
        
        
        
Answer:
C: 3.0
Step-by-step explanation:
You can write a ratio as a fraction (12/4). Write it as a fraction then just do the math. 
12/4 = 3
 
        
                    
             
        
        
        
16.5 oz are in a pound a half
        
                    
             
        
        
        
Answer:
5
Step-by-step explanation:
i hope is right not a smart huh 
 
        
             
        
        
        
Answer:
The answer is B
Step-by-step explanation:
f(x) = 4x² + 1
g(x) = x² - 5
(f-g)(x) = 4x² + 1 - (x²-5)
 = 4x² + 1 - x² + 5
 = 3x² + 6