Answer:
this is my answer but it's on you if you think this answer is correct or wrong
 
        
             
        
        
        
Answer:
put -2 in -2    /   put -2 again in same spot and again just do it for 3 times then 1/3 in the middle of 0 and -2 but a bit closer to the -2
Step-by-step explanation:
 
        
             
        
        
        
direct proportion y=kx , k is constant and k does not equal to 0.
17.5=k(21)
k=5/6
when x =39
y=5/6 ×39
y=32.5
 
        
                    
             
        
        
        
Answer:


Step-by-step explanation:
i is an imaginary unit, this means 

Rewrite -5 as 
then

Rewrite -25 as 
then

 
        
             
        
        
        
Answer:
I think this is what the graph looks like.
Step-by-step explanation:
I hope this helps.sorry if it's wrong.