What is the distance from X to Y?
A. 15 units
B. 3 units
C. 225 units
D. 21 units

Answer:
15, A
Step-by-step explanation:
(0,6) (9,-6)
distance formula =
[tex]d= \sqrt{(x_2-x_1)²+(y_2-y_1)² }[/tex]
lets put our numbers
[tex]d= \sqrt{(0 - 9)²+(6+ 6)² }[/tex]
so answer will be = 15, A