The answer would be 8+14 because there are 4 sides not 2
        
                    
             
        
        
        
Answer:
(
9
x^
2
+
4
y
^2
)
(
3
x
+
2
y
)
(
3
x
−
2
y
)
 
        
             
        
        
        
I am assuming you want to find r. r = -36
        
                    
             
        
        
        
0.00067
You always want the period to the right of the first number meaning you’ll start from there counting backwards because it is negative.
        
             
        
        
        
2.6 gallons per hour x 16 hours = 41.6 gallons