drag the tiles to the boxes to form correct pairs. not all tiles will be used.
match the resulting values to the corresponding limits.

Step-by-step explanation:

i)

Taking x as common outside from numerator and denominator , we have

ii)

It can be written as :

iii)  

Taking x as common outside from numerator and denominator , we have

iv)  

which can be written as :

∵

13

step-by-step explanation:

distance formula is d=√(x2-x1)^2   +   (y2-y1)^2