P ( A ) = 0.45  - probability that the land has oil,
P ( B ) = 0.8   - probability that the test predicts it
P ( A ∩ B ) = P ( A ) · P ( B ) = 0.45 · 0.8  = 0.36
Answer: The probability that the land has oil and the test predicts it is 36 %. 
        
             
        
        
        
Answer:
2 solutions; x=2.5     x=-25
Step-by-step explanation:
16x^2 = 100
x^2 = 100/16
x^2 = 6.25
x = (+-) sqrt 6.25
x = (+-) 2.5
 
        
             
        
        
        
<span>y^2 + 5y + 6
=</span><span>(y + 2)(y + 3)
----------------------------------</span>
        
                    
             
        
        
        
I’m pretty sure the answer is c
        
             
        
        
        
Answer:
Step-by-step explanation:
1*12 + 2*2 + 3*6 = 12 + 4 +18 = $34