Answer:
A
Step-by-step explanation:
because 1/9^2 is also 9^-2 because when it is a negative exponent it turns into a fraction. it does this because it is negative and the negative is equal to the number of one with the exponent positive
 
        
             
        
        
        
Answer: 81
To get this answer, you do two things
1) Take half of the x coefficient 18 to get 9
2) Square the result from the previous step to get 9^2 = 9*9 = 81
This value is added on to get x^2+18x+81 which factors to (x+9)^2 confirming we have a perfect square trinomial
        
                    
             
        
        
        
To find the complement of an event you have to figure out what the probability is of not choosing a 6 
since 1/13 is the probability that 6 is going to be choosen. 
the other 12/13 is used for every other card accept for the 6:)
hope this is right
have a good one:)
merry Christmas:)
        
             
        
        
        
Answer:
I think it is y=25x
Step-by-step explanation:
Since Tony the Tiger makes $25 an hour, in 2 hours, he would make $50. Both of them, when divided, equal 25, the constant of proportionality.
 
        
             
        
        
        
Answer:
4(x+5) I
Step-by-step explanation: