Step-by-step explanation:
EF is a segment so it's a line with the end points as E and F. Line RS bisects(cuts in half) line EF. Then where the two lines meet is where A is. 
Hope this helped.
 
        
             
        
        
        
Answer:
⇒ ×3
×3
⇒
Step-by-step explanation:
 
        
             
        
        
        
Answer: One of them is the set {1,2,3,4,5,6}itself; one is the empty set, containing no elements. “Proper subset of a set ” usually denotes a subset in which at least one element of the original set is missing; so one of the subsets - the original set iitself - is not a proper subset. Therefore the answer is 63.
Step-by-step explanation:
 
        
             
        
        
        
Hello :
<span>1/5x-2=1/3x+8
let ; y = </span><span>1/5x-2 ..... (1)
       y=1/3x+8  .....(2)
by (1) : 1/5 x =y+2
             x = 5y +10....(*)
by (2) : 1/3x = y-8
             x = 3y-24 ....(**)
(*) :5y-x = -10
(**) : 3y-x =24     ......( last answer )
</span>