Respuesta :
a^2 + b^2 = c^2
9^2 + 12^2 = c^2
81 + 144 = c^2
225 = c^2
sqrt 225 = c
15 = c <=== Jack is 15 miles from the cave
9^2 + 12^2 = c^2
81 + 144 = c^2
225 = c^2
sqrt 225 = c
15 = c <=== Jack is 15 miles from the cave