pliss po need kona po with solution kung pano po siya nakuha pliss pasagot naman po ng maayos

A. Use the distance formula to solve the following.
1. Write the distance formula
2. Which will give the correct distance

between R(1, 9) and J (9, 1)?

A.
[tex]rj = \sqrt{9 - 1) { } ^ {2} + (1 - 9) {}^{2} } [/tex]

B.
[tex]rj = \sqrt{(1 - 9) { }^ {2 } + (1 - 9) {}^{2} } [/tex]

sana masagot po pliss​