Answer:
d=23.43
Step-by-step explanation:
Given data
A(-6,8)
X1=-6
Y1=8
B(12, - 7)
X2=12
Y2=-7
The expression for the distance between two points is
d=√((x_2-x_1)²+(y_2-y_1)²
Substitute
d=√((12+6)²+(-7-8)²
d=√((18)²+(-15)²
d=√324+225
d=√549
d=23.43