To subtract? as minus means subract/take away?
        
             
        
        
        
I don't know what the graft is
        
                    
             
        
        
        
Answer:
A function is a function that passes the vertical line test
Step-by-step explanation:
the vertical line test direction: 
draw a line straight down you graph if it hits the x axis two time it not a function 
 
        
             
        
        
        
Answer: 113.1 cm^2
Step-by-step explanation: The formula to find the area of a circle is 3.14r^2. R stands for radius which is 6 in this case so just plug that in for R. 3.14(6)^2=113.1
 
        
             
        
        
        
A shape with 4 angles always have 360 degrees altogether.
Which means:
43 + 167 + 90 + y = 360
y = 360 - 43 - 167 - 90
y = 60