Answer:
26/5 or 5 1/5
Step-by-step explanation:
First convert 2 3/5 into an improper fraction:  13/5.
Then multiply this result by 2:  2(13/5) = 26/5.  This is the answer as an improper fraction.
26/5 as a mixed number would be 5 1/5.
 
        
             
        
        
        
Step-by-step explanation:
part A: 

part B:
![Area_{_{surface}}=3.14*(15+9)=3.14*24=75.36[units^2].](https://tex.z-dn.net/?f=Area_%7B_%7Bsurface%7D%7D%3D3.14%2A%2815%2B9%29%3D3.14%2A24%3D75.36%5Bunits%5E2%5D.)
 
        
             
        
        
        
Hi there!
To solve this problem, we need to simplify. 
2/3x = 12
To isolate x, we should multiply both sides of the equation by the reciprocal of 2/3 to make x equal to a value:
Reciprocal of 2/3 = 3/2
x = 12 * 3/2
x = 18 
Hope this helps!
        
             
        
        
        
Answer:
1. -17     2. -20     3. -5    4. -1
 
        
             
        
        
        
878/3 is 28 with a remainder of 10! The error is when they subtracted 258-248 wrong