Part A:
 -np - 70 < 40
                          +70
                   -np < 110
                      -n < 110/p
Part B
      4w-7k=28
-7k=28-4w
7k=4w-28
k=4/7w-4
        
             
        
        
        
8,000 inches wider than nick' s computer screen. Hope I helped!:)
        
             
        
        
        
Answer:

Step-by-step explanation:
The GCF doesn't have to be a number. In this case, it is -y because both the -2xy and -9y share it. It's also easier when you take out a negative. Once you take the GCF out, your new expression should be: 

 
        
             
        
        
        
Answer:
f(g(x))=(x-4)+2
Step-by-step explanation:
Plug in the equation from g(x) into the x in f(x) and solve.