I believe it would be (-2,-2) i may be wrong though i dont have my graphing papers
        
             
        
        
        
I think 30 because I did all the equation and I got 30
        
                    
             
        
        
        
Answer:
The decay rate is 5%.
Step-by-step explanation:
Let a substance is decaying at the rate of r% per hour from the initial value of P for t hours, then the final value of the substance is given by the function  
 ........... (1)
 ........... (1)
Comparing this equation with the original equation given as
 ............ (2) we get,
 ............ (2) we get,
 
⇒  
⇒ r = 5%.
Therefore, the decay rate is 5%. (Answer)
 
        
             
        
        
        
Answer:
636.4 in³  
Step-by-step explanation:
Volume of a cone is given by:
 
 
where r is the radius of the base of the cone and h is its height.
It is given that, the radius of the base of the cone is, r = 8 in
The height of the cone is, h = 9.5 
 
 
Thus, the volume of the cone is 636.4 in³  
 
        
                    
             
        
        
        
To answer this item, we are instructed that the price of the ticket for the children is equal to x. Since, we are also given that this is 5.75 less than the price of tickets for the adults, we may express this as follows,
    x = n - 5.75
n is the price of ticket for the adults. This can be calculated by transposing 5.75 to the other side of the equation,
   n = x + 5.75
The answer is the third choice.