Silvia is trying to calculate the distance between point A(2, 6) and point B(5, 1). Which of the following expressions will she use?

answers: square root of the quantity of 5 minus 2 all squared plus 1 minus 6 all squared
square root of the quantity of 5 minus 1 all squared plus 2 minus 6 all squared
square root of the quantity of 6 minus 5 all squared plus 2 minus 1 all squared
square root of the quantity of 5 minus 6 all squared plus 1 minus 2 all squared