Answer:
The system has no solution
Step-by-step explanation:
we have

Isolate the variable y

Divide by 2 both sides
 ---> equation A
 ---> equation A
 ---> equation B
 ---> equation B
Compare the equations
Equation A and equation B have the same slope and different y-intercept
Remember that
If two lines have the same slope, then the lines are parallel
The solution of the system is the intersection point both graphs
In this problem, the lines don't intersect, therefore, the system has no solution
using a graphing tool
The graph in the attached figure
 
        
             
        
        
        
Answer:
125%
Step-by-step explanation:
Is means equals and of means multiply
40 = P * 32  where P is in decimal form
Divide each side by 32
40/32 = P
1.25 = P
Now change to percent form ( multiply by 100)
125%
 
        
                    
             
        
        
        
12.5 kilometers per liter
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
The line has a slope of -1/3. For lines to be perpendicular there product must equal negative 1
m1(m2)=-1
-m/3=-1
m=3
So we know our line has a slope of three so
y=3x+b, we can solve for the y intercept, b, using point (-2,8)
8=3(-2)+b
8=-6+b
b=14, so our line is
y=3x+14