Answer:
IS 60 DEGRES
Step-by-step explanation:
U TIMES THE ANGLE 
 
        
                    
             
        
        
        
C=πd  where C=circumference, π=the constant pi, and d=diamter
d=C/π  and since we are told that C=9π
d=9π/π
d=9
        
             
        
        
        
Commutative property of multiplication is two numbers being multiplied either way,example 1x2 = 2x1.
        
             
        
        
        
Answer:
8
Step-by-step explanation:
128-16=112
112÷15(boys+girls)=7.4666666
7.4666666 rounds to 8