Answer:
y=400/300x
Step-by-step explanation:
 
        
             
        
        
        
<h3>
Answer</h3>
They are being multiplied by 2 each time.
 
        
        
        
Answer:
b) 24
Step-by-step explanation:
We solve building the Venn's diagram of these sets.
We have that n(S) is the number of succesful students in a classroom.
n(F) is the number of freshmen student in that classroom.
We have that:

In which n(s) are those who are succeful but not freshmen and  are those who are succesful and freshmen.
 are those who are succesful and freshmen.
By the same logic, we also have that:

The union is:

In which



So



So the correct answer is:
b) 24
 
        
             
        
        
        
Answer:
Part A = the middle one 
Part B = 4 days 
Step-by-step explanation:
1,300 / 4 = 325
325 x 4 = 1,300
 
        
                    
             
        
        
        
First multiply 57 x 30, then 30 x .35, then Ta da you have your answer (which is 598.5)