3+c - (4+c)
pretend that there is a -1 in front of the bracket
3+c-1(4+c)
multiply the bracket by -1
(-1)(4)=-4
(-1)(c)=-c
3+c-4-c
3-4+c-c ( combine like terms)
+c-c=0
3-4=-1
-1+0=-1
Answer: 
-1
 
        
             
        
        
        
it's 8=8 meaning it is always true, and infinity. 
 
        
                    
             
        
        
        
Number of feet in a mile multiplied by the percentage (7/11) equals number of feet in the 7/11 portion of a mile. 
=5280 * 7/11
=(5280*7)/11
=36,960/11
=3,360 feet in 7/11 mile
Hope this helps! :)
        
             
        
        
        
Answer:
3.5 Inches of snow left on Friday Night
Step-by-step explanation:
On Monday there was no snow 
On Tuesday there was 3 inches
On Wednesday 3 - 0.5 inches= 2.5 inches of snow 
On Thursday 2.5 + 2.5 inches= 5 inches
On Friday 5 - 1.5 inches=3.5 inches
Therefore the answer is that the was 3.5 inches of snow Friday night
 
        
             
        
        
        
Answer:
1
Step-by-step explanation:
2-1=1