Given;Quadrilateral PQRS is a rectangle. Prove :PR=QSWhat is the reason for the third step in this proof?

Itook a better photo of the question so y’all can see it i hope it’s a fine photo

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

The difference between tax advoidance and tax evasion