Respuesta :

Answer:

7.65

Step-by-step explanation:

sqrt((x2-x1)^2+(y2-y1)^2)

sqrt((-4-3.5)^2+(2.5-1)^2)

sqrt(-7.52+1.5^2)

sqrt(56.25+2.25)

sqrt(58.5)

= 7.65