Answer:
Because it is a mixed fraction and it should be renamed in order to solve your problem, for the other one CAN NOT be converted into a mixed fraction. 
 
        
             
        
        
        
Answer: c) y=1/5x
Step-by-step explanation: took da test
 
        
             
        
        
        
Answer:
552
Step-by-step explanation:
This is a problem of permutation which can be solved by rule of fundamental counting principle.
This principle states that if there "m" ways of doing one thing and "n" ways of doing other. Then no. of ways in which both the things can be done together is "m*n". This can be extended for m, n, p,r, s things and so on.
example: if there are 5 shirts and 3 trousers then number of ways in which the shirts and trousers can be worn is 5*3 = 15 ways.
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The given problem is on similar concepts.
here  6 short stories, 4 novels, and 23 poems have to be assigned to his class.
Thus it can be done in 6*4*23 = 552 ways.
 
        
             
        
        
        
Jewelery maker has 
24 jade beads 
30 teak Beads
She has to make necklaces with each necklace having the same number of beads 
So we need to find the highest common factor for both 24 and 30
The factors for both numbers are as follows 
24 -1,2,3,4,6,8,12,24
30 - 1,2,3,5,6,10,15,30
The highest common factor for both is 6
The greatest number of necklaces she can make is 6
Number of jade beads - 24/6 = 4 jade beads 
Number of teak beads - 30/6 = 5 teak beads 
So each necklace will have 4 jade beads and 5 teak beads 
 
        
                    
             
        
        
        
Answer:
19.5
Step-by-step explanation: