Answer:
B I think
Step-by-step explanation:
 
        
             
        
        
        
Answer:
The guard should be positioned at the safe
Step-by-step explanation:
The night watchmen should be positioned to guard whichever place gives the highest expected value to the thief.
The expected value of robbing the safe is:

The expected value of robbing the cash register is:

Therefore, the guard should be positioned at the safe since it yields a higher expected value to the thief in case he tries to rob it.
 
        
             
        
        
        
A(0,-1)
B(3√3/3, 2)
Slope of AB = (y₂ - y₁)/(x₂-x₁)
Slope = (2-1)/(√3/3 , -0)
Slope = 1/√3/3 = 1/√3 = √3/3
OR SLOPE = tan(a°) = √3/3 and a° = 30°
        
             
        
        
        
Answer:
the variable  
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Yes, (-3, -9) is a solution.
Step-by-step explanation:
y = 3x   (-3,-9)
-9 = 3(-3)
-9 = -9