Answer:
Perimeter of Triangle sum of all sides.
=13 cm 
 
        
                    
             
        
        
        
To start this, try to place it all together.
(x)+(x+2)+(x+4)=36
Then you start to combine so that it looks like this:
3x+6=36
I believe that is one of the choices. Do you need more explanation? 
        
                    
             
        
        
        
13.5 because 4.5 times 3 is 13.5
        
             
        
        
        
Answer:$1655.22
Step-by-step explanation:
The total distance from Oakland California to Erlanger Kentucky is 2,364.6 miles. The gas tank gets 25 miles per gallon on the highway. It means that total number of gallons required to cover the distance from Oakland California to Erlanger Kentucky would be 
 2364.6/25 = 472.92 gallons 
If the gas cost $3.50 per gallon, it means that the total amount that it will cost to drive from Oakland California to Erlanger Kentucky would be 
472.92 × 3.5 = $1655.22