Answer:
A. t(x) = 450 - 0.06x
Step-by-step explanation:
The layer which is originally 450 m thick is decreasing by 0.06 m.
450 - 0.06
... per day. x represents days.
0.06x
So, 
450 - 0.06x
 
        
             
        
        
        
Answer:
-6
Step-by-step explanation:
Mark me as brainliest
 
        
             
        
        
        
Answer:
300
Step-by-step explanation:
 
        
             
        
        
        
<span>X^2- 4x- 6y- 14=0
6y = x^2 - 4x - 14 
Divide through by 6:-
y = (1/6)x^2 - (2/3)x -  7/3</span>