Respuesta :
Answer:
[tex]distance = \sqrt{ {( - 7 - ( - 7))}^{2} + {(9 - ( - 4))}^{2} } \\ = \sqrt{169} \\ = 13 \: units[/tex]
The person above is correct. The formula for distance is:
D = rad (x2-x1) squared + (y2-y1) squared
D = rad (x2-x1) squared + (y2-y1) squared