Answer: d or a i think
Step-by-step explanation: 
 
        
                    
             
        
        
        
Answer:
The expression used to find the change in temperature per hour is Algebraic expression
Thus per hour; the temperature falls at the rate of  
 
Step-by-step explanation:
A temperature falls from 0 to   in
     in     
Which expression finds the change in temperature per hour.
From the above given information;
The initial temperature is 0
The final temperature is   
  
The change in temperature is 


Thus; 
-12.25 ° = 3.5 hours
To find the change in x°   per hour; we have;
x°            = 1 hour
The expression used to find the change in temperature per hour is Algebraic expression
From above if we cross multiply ; we have;
(- 12.25° × 1 hour) = (x° × 3.5 hour)
Divide both sides by 3.5 hours; we have:

x° =  - 3.5
x° = 
Thus per hour; the temperature falls at the rate of  
 
 
        
             
        
        
        
Answer:
C. y = log 1/6 x
Step-by-step explanation:
im literally on this right now on edge lol
 
        
             
        
        
        
Answer:
S
Step-by-step explanation:
 
        
             
        
        
        
Answer:
 n(B U S) = 75
Step-by-step explanation:
Explanation:-
<u>Probability</u>:-
P(E) = 

Let 'B' be the event of having twelve year old brother
 Let 'S' be the event of having twelve year old sister
given data  P(BUS) = 0.25
given total survey  n(survey) = 300
we have to find the value is n(BUS) =?
we will use probability definition we get, P( BUS) =
substitute given values, we will get solution

after cross multiplication , we get 
n(BUS) = 0.25 X 300
n(BUS) = 75
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