Can someone help me out?

15

Step-by-step explanation:

=(−5−4)2+(−4−8)2‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾√

d=(−5−4)2+(−4−8)2

=(−9)2+(−12)2‾‾‾‾‾‾‾‾‾‾‾‾‾‾√

d=(−9)2+(−12)2

=81+144‾‾‾‾‾‾‾‾‾√

d=81+144

=2‾√25

d=225

=15

what was there favorite food