Answer:
Mason recieved 15 points for answering the question correctly so that means that he had -15 points before. The points would be at -15 and 0.
 
        
                    
             
        
        
        
Step-by-step explanation:
y = 4x+1
y–1 = 4x
x = (y–1)/4
 
        
             
        
        
        
Answer:
$5.39
Step-by-step explanation:
In order to solve for this equation, we are going to multiply 7.70 by 0.3 to find how much money was taken which was 2.31.
Subtract2.31 from 7.70 to recieve your new price :)

Hope this Helps!
 
        
             
        
        
        
<h2>
Hello!</h2>
The answer is:
The area of this figure is 946 square inches.
<h2>
Why?</h2>
We can see that the figure is composed by two rectangles with diferrent dimensions, so, to calculate the area of the entire figure.
So,
For the first rectangle, we have:

The area will be:

For the second rectangle, we have:

The area will be:

Now, calculating the area of the entire figure, we have:

Have a nice day!