Question

plzz help in this question​

Answer 1

Answer:

I think 5.2

is thee correct answer

Answer 2

Step-by-step explanation:

IF PA=PB.

d=√(x2-x1)²+(y2-y1)²

√(3-10)²+(y+2)²=√(3-1)²+(y+11)²

Squaring on both side:

(-7)²+(y+2)²=(2)²+(y+11)²

49+y²+4+4y=4+y²+121+22y

53+y²+4y=125+y²+22y

y²-y²=125-53+22y-4y

-72=18y

-4=y.