-5 is the answer to your question because all you do is plug in -2 into your equation for x
        
                    
             
        
        
        
0.6=k
This is your answer because the equation is for direct variation is y=kx
You substitute the numbers
        
             
        
        
        
Answer:
2.5
Step-by-step explanation:
t = 0.25
Substitute d with 100
t = 0.25 x ( )
)
A number to the half power is equal to the square root of a number.
Square root of 100 is 10: 
t = 0.25*10
t = 2.5
Hope this helps :)
Have an awesome day!