Respuesta :

Answer:

B. 15 units

Step-by-step explanation:

they said I needed to add more writing before submitting an answer but yeah, I think the answer is B. good luck

Answer:

B.15 units

Step-by-step explanation:

[tex]d = \sqrt{ {(18 - 3)}^{2} + {(39 - 39)}^{2} } \\ \\ d = \sqrt{ {(15)}^{2} + {(0)}^{2} } \\ \\ d = \sqrt{ {(15)}^{2} } \\ \\ d = 15\:units[/tex]