If he failed it once, then the probability out of two times is 1/2. He has a 50% chance of failing the drug test again.
I hope this helps!
        
             
        
        
        
Answer: 82
Step-by-step explanation:
We simply need to substitute the values for x and y into the equation
Both variables are already given to us, x=9, y=2
8(9)+2+4(2)
72+2+8
82
 
        
             
        
        
        
Answer:
3i √3
Step-by-step explanation:
you can't have the square root of a negative number
so we use "i"
 
        
             
        
        
        
Those are the answers 
2x-2
6x+9
7x+35
10x-5y
        
             
        
        
        
Slope: rise over run
4 up and 2 to left
4/2 = 2, the slope is 2