Answer:
Step-by-step explanation:
so let’s say x is the length.  Then the width will be 3x-4.  You add them together and multiply by two.  The perimeter is 72 so the equation equala 72.
Equation:
(x+3x-4)*2=72
(4x-4)*2=72
8x-8=72
8x=80
x=10
length:10
width:26
 
        
             
        
        
        
Answer:
1.80 2.90 3. 135
Step-by-step explanation:
1. 80°
2. 90°
3. 135°
 
        
                    
             
        
        
        
The expression is r = 500 • 2, where “r” represents the rate.
        
             
        
        
        
Answer:
    Step One: Identify two points on the line.
    Step Two: Select one to be (x1, y1) and the other to be (x2, y2).
    Step Three: Use the slope equation to calculate slope. 
Step-by-step explanation: