Respuesta :

Answer:

12

Step-by-step explanation:

Use the pythagorean theorem to find the answer.

a^2+b^2=c^2

Answer: A) 12

Step-by-step explanation:

Distance formula: d = √(x1  - x2)^2 + (y2- y1)^2

Substitute the values of the first and second x and y's

D= √(-9+9)^2 + (-5-7)^2

D= √(0)+ (144)

D= √144

D=12