Find the Distance Between 2 Points

Question 1:

A(-7,-1) and B(7,8)
16.6

Question 2:

C(-9,-5) and D(-9,-8)
3

Question 3:

E(3,-8) and F(-3,-6)
6.32

Question 4:

G(-10,6) and H(1,7)
11

Question 5:

I(-9,3) and J(-8,-9)
12

Question 6:

K(4,-8) and L(4,4)
12