Answer:
The equation shows the commutative property of addition is  4 +3 = 3 + 4 .
Option (A) is correct.
Step-by-step explanation:
Commutative property of addition
The commutative property for addition states that
 a + b = b + a .
Where a, b are any number.
thus
this above condition is satisfied by equation 
4 + 3 = 3 + 4
7 = 7
Therefore Option (A) is correct.
 
        
                    
             
        
        
        
Each class receives the same amount of pizza because the unit rates are the same
        
                    
             
        
        
        
Answer:
x: (-5.0)
y: (0, -17.5)
Step-by-step explanation:
The x-intercept of the line is when y=0. In the table is the point (-5,0). This is the x-intercept.
To find the y-intercept, find when x=0. Write an equation for the table in y=mx + b. Find the slope between two points first.

The slope is -3.5. So the equation is 
y - 7 = -3.5(x--7)
y - 7 = -3.5 (x+7)
y - 7 = -3.5x - 24.5
y = 3.5x - 17.5
Since it is in y=mx+b, b= -17.5 and this is the y-intercept.