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A person ordered 5 pairs of black socks and some pairs of br

Shopkeeper paid $80 each for two pair ofshoes.

He sell firs

He sell firs

Point P in Cartesian plane is located by an ordered pair cal

Set consisting of all second elements of each ordered pair i

Set consisting of all first elements of each ordered pair in

Set of all ordered pair (x, y) which satisfies system of equ

In ordered pair (y, z), ‘z’ is called

In ordered pair (y, z), ‘y’ is called

In ordered pair (y, z) , ‘y’ is called

In ordered pair (y, z) , ‘z’ is called