What is the image of (7, 8) after a reflection over the line y = -x?

my answer is$ 12

step-by-step explanation:

because 15 -2=12

i think u have 12 apples sorry again i don't really know if it correct i'm just tryna hrlp people out.

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c