Answer:
30
Step-by-step explanation:
because if x is 5 then 6(5)
and 6x5=30 
 
        
             
        
        
        
Multiply 9 by 2a and 2, and you get 18a + 18. Another equivalent expression would be 18(a+1), which you can get by factoring the above answer.
        
             
        
        
        
Answer:
Step-by-step explanation:
 
        
             
        
        
        
Your just multiplying 7 and 10, so your answer is gonna be B.