Find the Distance Between 2 Points

Question 1:

A(8,-3) and B(4,-8)
6.4

Question 2:

C(-5,9) and D(-2,5)
5

Question 3:

E(-10,7) and F(-10,-4)
11

Question 4:

G(-8,2) and H(5,1)
13

Question 5:

I(-9,7) and J(-9,-9)
16

Question 6:

K(9,6) and L(-7,-10)
22.6