Answer: It will take 3,333 days.
Step-by-step explanation: 
In order to complete this you must divide the total number of hours by the hours practiced each day.
10,000/3
 
        
             
        
        
        
Answer:
X+8y=3, 2x-4y=-14
Step-by-step explanation:
Since we do not know the values of x or y we have to leave them the way they are because you can't combine x and y 
 
        
             
        
        
        
Answer:
#8: distance is 3 units
#9: distance is 1 unit
Step-by-step explanation:
for #8 the x values are the same and there's a 3 unit difference between the y value
for #9 the y values are the same and there's a 1 unit difference between the x values
hope this helps chu :3
 
        
                    
             
        
        
        
Answer:
Ok
Step-by-step explanation:
 
        
             
        
        
        
Answer:
A. 1/5k - 2/3j and -2/3j +1/5k
Step-by-step explanation:
A. 1/5k - 2/3j and -2/3j +1/5k
B. 1/5k - 2/3j and -1/5k +2/3j
There is a change in the signs of each term
1/5k changed to -1/5k 
-2/3j changed to +2/3j
Not equivalent
C. 1/5k - 2/3j and 1/5j - 2/3k
There is a change in the variables
1/5k changed to 1/5j
-2/3j changed to -2/3k
D. 1/5k - 2/3j and 2/3j - 1/5k
The is a change in the signs of each term
1/5k changed to -1/5k 
-2/3j changed to +2/3j
The only equivalent expression is
 A. 1/5k - 2/3j and -2/3j +1/5k