Answer:
case A. 
case B. 
case E. 
Step-by-step explanation:
we have

we know that

<u>Verify each case</u>
case A) 

therefore
is equivalent to 
case B) 
so
is equivalent to 
case C) 

therefore
is not equivalent to 
case D) 
so
is not equivalent to 
case E) 

therefore
is equivalent to 
case F) 
so
is not equivalent to 
Answer:
thank me
Step-by-step explanation:
Answer:
its 7/9
Step-by-step explanation:
you just have to flip the fractions
Answer:
bottom left corner
Step-by-step explanation: