Answer
(a) 0.94
(b)0.06
Step-by-step explanation:
P(husband is employed) = P(H) = 0.85
P(wife is employed) = P(W) = 0.59
P(both are employed) = P(H∩W) = 0.50
(a) At least one of them is employed 
= P(H∪W)
= P(H) + P(W) - P(H∩W)
=0.85 + 0.59 - 0.50
=0.94
(b) Neither is employed,
=1 - P(H∪W)
= 1-0.94
=0.06
 
        
             
        
        
        
The answer is 3 because Pythagorean triplets consist of 3,4 and 5.
        
             
        
        
        
Answer:
-0.4
Step-by-step explanation:
 
        
             
        
        
        
-1/22, 5/11, 49/24, -5/8, -1, 25/16