Answer:
B. The image is right-left reversed and about as far away from the mirror as the reflected object. 
Explanation:
A plane mirror is used in several ways in our life, from the mirror that we have on the bathroom to the mirrors we use on cars, the main difference is that the mirror reflects the image reversed on the Vertical axis, which means that the left is the right and the right is the left, a mirror also protrays objects at a certain distance, about as far away from the mirror as the reflected object but they are actually closer in real life.
 
        
             
        
        
        
Answer:
The second one is a function. {(-8, -2), (7, -2),(-9,2), (0,0)
Explanation:
Its because the y-value is repeated twice. 
Hope it helps.
 
        
                    
             
        
        
        
Answer:
9.8 m / s^2 
Explanation:
Assuming free fall====> there is no initial downward/upward velocity 
   Assuming metric units   78.4<u>  m/s </u>
  vf = a t 
  78.4 = a (8)     shows     a = 9.8 m/s^2 
 
        
             
        
        
        
Rubber is a insulator so current cannot pass through it where as metal is a conductor which allows current to pass through it
        
                    
             
        
        
        
Becuse your weighting with chalk that has pigment