89 tens because 8 x10 is 80 add the 9 
89
        
             
        
        
        
Answer:
Please read the answers below
Step-by-step explanation:
Let's use x for writing the inequalities asked:
A number is less than 2:
x < 2
A number is greater than 6 and less than or equal to 9:
6 < x ≤ 9
 
        
             
        
        
        
Answer:
A. The kinetic energy is quartered.
Step-by-step explanation:
The kinetic energy is quartered.
 
        
                    
             
        
        
        
4(10x)
or
4×10x
im sorry if this is incorrect..i tried
        
             
        
        
        
Answer:
10
Step-by-step explanation: