Answer:
18
Step-by-step explanation:
f(2)=4x+10
f=(4)(2)+10
f=8+10
f=18
 
        
             
        
        
        
Answer:
The 12.6 oz bottle
Step-by-step explanation:
0.19/oz for the 12.6 oz
0.21/oz for the 25.3 oz
 
        
             
        
        
        
Answer:
Multiply both sides by -2 and reverse the inequality symbol
Step-by-step explanation: 
since it is division you want to make it multiplication so that you can get the answer easier
-1/2w<12
it cancels out the -1/2 than just multiply 12 and -2 you get -24
w > -24
 
        
             
        
        
        
I don't understand your question are you multiplying or what