Answer:
19
Step-by-step explanation:
 
        
             
        
        
        
Answer:
yes it is possible to get a common denominator grater than 12 and still get the right answer.
Step-by-step explanation:
This is because the numerator is always directly corelated to de denominator therefore the fraction wouldn't change because when simplified it is the same fraction as it would be with 12 as the denominator
 
        
             
        
        
        
Answer:
21 Years Ago
Step-by-step explanation:
61 - 21 = 40
31 - 21 = 10
40/10 = 4
 
        
             
        
        
        
Answer: G and F are mutually exclusive because they cannot occur together
Step-by-step explanation:
According to the definition of mutually exclusive events, 
The events which can not occur together and probability of them occurring together is 0 are known as mutually exclusive events.
The first statement gives an implication that if one happens then other happens meaning they could both still happen so it is not true.
The second statement contradict the question about being mutually exclusive events.
The third statement also is a implication that if one event occurs then other does or does not occur.
The last statement is correct one that conforms with the question and obeys the definition of mutually exclusive events. 
 
        
             
        
        
        
Answer:
there are 1,679 students that don't play video games
Step-by-step explanation:
because 1938   -   259 =1,679