Answer:
this is unclear
Step-by-step explanation:
yoy miss typed
 
        
             
        
        
        
X = y + 5
-y + x - x = y - y  + x + 5
-y = x + 5
y = x - 5
        
             
        
        
        
Answer:
A
Step-by-step explanation:
I included the steps in the picture I attached. lmk if you need me to explain more 
 
        
             
        
        
        
Answer:
Option 2 is true.
Step-by-step explanation:
Th sum of probabilities of two complementary events is one, which implies
P(A) + P(B) = 1
So,
P(B) = 1 - P(A)