Answer:
   455 or 680, depending
Step-by-step explanation:
If we assume the three choices are different, then there are ...
   15C3 = 15·14·13/(3·2·1) = 35·13 = 455
ways to make the pizza. 
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If two or three of the topping choices can be the same, then there are an additional ...
   2(15C2) +15C1 = 2·105 +15 = 225
ways to make the pizza, for a total of ...
   455 + 225 = 680
different types of pizza.
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There is a factor of 2 attached to the number of choices of 2 toppings, because you can have double anchovies and tomato, or double tomato and anchovies, for example, when your choice of two toppings is anchovies and tomato.
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nCk = n!/(k!(n-k)!)
 
        
             
        
        
        
Answer:
gff
Step-by-step explanation:
rwsnuggdfvg
 
        
             
        
        
        
It would be 7 with 75 over 100....it would look like 7 75/100. then simplify it.
        
             
        
        
        
The answer is 1 please give brainliest answer! If you do I’ll show you the most amazing app ever