Answer:
Circle area formula:  x r^2
x r^2
THEREFORE 
we can deduce that,
3,14 x 1^2
= 3,14 
hope this helps :)
 
        
                    
             
        
        
        
Answer:
y = -1x + 4
Step-by-step explanation:
equation for one is y = -1x + 5 simple going back from point (5,-2) gave me a b of 4 so yess
 
        
             
        
        
        
Answer:
14
Step-by-step explanation:
 
        
             
        
        
        
Answer:
90 houses
Step-by-step explanation:
you would multiply the amount of houses cleaned by the decimal form of the percentage given.