(3x - 5)
(7x + 5)
with right angle in a triangle

the least value out of the data shown is 5, maybe if you post a picture with it i could a little more.

step-by-step explanation:

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)

the furthest the dog can be is 508 meters away from the house, and the closest he can be is 492 meters away from the house.