Answer:
C
Step-by-step explanation:
the area (A) of a triangle is calculated as
A =  bh ( b is the base and h the perpendicular height )
 bh ( b is the base and h the perpendicular height )
here b = z and h = w , then
A =  zw
 zw
 
        
             
        
        
        
Answer:
D
Step-by-step explanation:
It is going from top left to bottom right, so we now it is a negative slope. This leaves us with B or D. When the y axis decreases 1 (aka (x,-1)) the x axis is at 4. Rise/run is 1/4.
 
        
             
        
        
        
Answer:
100/3 or 33.33
Step-by-step explanation: If the perimeter of the whole figure is 220, we can use that number to solve the equations on the trapezoid. 
2(2x-3) + 2(4) + 2(4x+1)
4x - 6 + 8 + 8x + 2
12x + 2
Now we have to set the equation equal to the perimeter to find the value of x
12x + 2 = 220
12x = 218
x = 109/6
Since we are only finding the length of PS, we will plug x into its equation (2x - 3).
2(109/6) - 3
109/3 - 3
109/3 - 9/3
100/3
 
        
                    
             
        
        
        
Answer:
wdym???
Step-by-step explanation: