The like terms are 7w and -w, so we can collect them to get:
6w+3
Hope this helps!! :)
        
             
        
        
        
Answer:
Step-by-step explanation:
10+100=1000
20+100=2000
 
        
                    
             
        
        
        
Answer:
113.52 sq cm
Step-by-step explanation:
13.2 times 8.6 is 113.52. You get area by multiplying a length and a width.
 
        
                    
             
        
        
        
<span>The correct answer is 1. 
Explanation:
The way this is written, everything after the words "divided by" would be calculated first; it is written as though this is a grouping, such as 20/(2*(5+5)). We would evaluate the innermost parentheses first; 5+5=10. Then this gives us 2*10=20 in our parentheses. 20/20 = 1.</span>