Answer:
To find the sales tax multiply the purchase price by the sales tax rate. Remember to convert the sales tax rate from a percent to a decimal number. Once the sales tax is calculated, it is added to the purchase price. The result is the total cost—this is what the customer pays.
Step-by-step explanation:
 
        
             
        
        
        
- 2x - 11 = - 25 :) hope this is ok
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
I had this answer 
 
        
                    
             
        
        
        
Answer: -50= 300- X
Step-by-step explanation:
Solving the equation:
Subtract 300 from both sides, which gives you -350= -X. Divide by -1 and get x=350. His bills were 350 dollars, which can be stated using the equation I put in the answer. 
I hope this helped.
 
        
             
        
        
        
Answer:
g(x) = -|x|
Step-by-step explanation:
Are you familiar with the absolute value function y = |x|?
Its graph is v-shaped and opens up.
If the graph is turned upside down (so that it opens down), then g(x) = -|x|.