So we need to now how many crates they sold, how many boxes are in a crate, and how much they sold the cates for. 
So we don't need A. we don't need to know how much is in the box, just how much money they made from the box.
        
             
        
        
        
Answer:
D
Step-by-step explanation:
Plug in every scenario, in see if it equal to each other.
D is the only one that is equal.
 
        
             
        
        
        
9514 1404 393
Answer:
Step-by-step explanation:
The decay factor is 1 -25% = 0.75 per hour, so the exponential equation can be written ...
   r(t) = 1450·0.75^t . . . . . milligrams remaining after t hours
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a) After 4 hours, the amount remaining is ...
   r(4) = 1450·0.75^4 ≈ 458.79 . . . mg
About 459 mg will remain after 4 hours.
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b) To find the time it takes before the amount remaining is less than 5 mg, we need to solve ...
   r(t) < 5
   1450·0.75^t < 5 . . . . use the function definition
   0.75^t < 5/1450 . . . . divide by 1450
   t·log(0.75) < log(1/290) . . . . . take logarithms (reduce fraction)
   t > log(1/290)/log(0.75) . . . . . divide by the (negative) coefficient of t
   t > 19.708
It will take about 20 hours for the amount of the drug remaining to be less than 5 mg.
 
        
             
        
        
        
Answer:
Polynomials are closed under addition. When subtracting polynomials, the variables and their exponents do not change. Only their coefficients will possibly change. This guarantees that the difference has variables and exponents which are already classified as belonging to polynomials.
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:x
= -1 +√
3(3 + y)
Step-by-step explanation: solve the equation for x by finding a, b and c of the quadratic then applying the quadractic formula