Answer:
$52
Step-by-step explanation:
Using the equation 
y=mx+c
82=7x+c
122=11x+c
11x-7x=122-82
4x=40
x=10
To get c
82=7(10)+c
82-70=c
c=12
For 4 lessons
y=10(4)+12=52
 
        
             
        
        
        
Answer:
10, and 4. 
Step-by-step explanation:
39+48=87
87-13=74
74 divided by 7= 10 R4
Greatest amount of bricks= 10
Leftovers= 4.
 
        
             
        
        
        
Hey there 
<span>Quadrilateral "four sided shape"</span>
A Quadrilateral has four-sides and<span> it is </span>2-dimensional shape 
Squares and quadrilaterals have 
4 sides 
4 vertices 
Hope this helps 
 
        
                    
             
        
        
        
Answer:
16 shirts and 48 ties
Step-by-step explanation:
you start with 64 and divide it by 4 i got four cause it says that James had THREE times as many ties as shirts leaving him with leaving him with 3 groups of ties and 1 group of shirts   .  dividing 64 by 4 leaves you with 16 which is the amount of shirts he has and then you would multiply 16 by 3 to get the amount of ties he has.