Answer:
B) 5
Circle is 360 degr. So (21x+9) +(23x-5) +(26x+6)=360
Combine like terms 70x+10=360
Additive inverse -10 from both sides, 70x= 350
Divide both side by 70 division Property of Equality x=5. 
Check your answer by substituting 5 back into original solution!
Step-by-step explanation:
 
        
             
        
        
        
Division word problems often ask you to split something evenly. You should solve this problem by dividing the total amount of ice cream by the amount you will serve each guest. After converting to fractions, 4.5 divided by .75. You will have enough to serve six guests, and no ice cream left over.
 
        
             
        
        
        
Answer
x³ +4x²+7x+2
 Step-by-step explanation:
 
        
             
        
        
        
Answer: 
A. -4 
Explanation: 
-4 - 6 = -10
5 (-4+2) = -10
        
             
        
        
        
372 simplified is: 2*2*3*31. Thus, 372*7= 2*2*3*31*7. I believe that's what the question is asking for, Hope that helps. :)