Answer: -21, -33, -45
Step-by-step explanation:
each next number is being subtracted by 12 so
 
        
                    
             
        
        
        
Answer:
132.73
Step-by-step explanation:
the equation for area of a circle is A=πr*2
if your diameter is 13 simply take half of that and plug into the equation
π(6.5)*2 which when put into a calculator comes out to 132.732289 
 
        
                    
             
        
        
        
Step-by-step explanation:
4)180-57.8=123.3
5)180-116.4=64.6
 
        
             
        
        
        
Answer:
4/7 or 4:7
Step-by-step explanation:
8/14 divided by 2= 4/7