Answer:
(-3,-1)
Step-by-step explanation:
The difference in the x coordinate is 4 and 4 for the y. Add 2 to the x and y from the first coordinate
(-3,-1)
 
        
                    
             
        
        
        
ANSWER

EXPLANATION
The given expression is 

This is having a negative index. We must first of all change to a positive index.
Recall that,

We apply this law of exponents to get,

We cab rewrite the given expression to obtain;

This will simplify to give us,
 
 
        
        
        
Answer:
So easy just try your best if you cant contact me
 
        
                    
             
        
        
        
Basically its 250 + 16x = 210 + 18x where x = the number of hours doing the job.
Solving, we get 40 = 2x, x =20
The jobs has to be 20 hours long in order for their two painting jobs to be equally priced.
Hope this helped!