Solve for the x.
Assume the segments that appear to be tangent are tangent.

4.5 i think im really not sure check with someone else before answering

answer: the dogs need to shift their focus to human scent.

its because the dogs being trained are for search and rescue thus they need to be able to track humans and their specific scent

y=mx+b

step-by-step explanation:

m slope

b y-intercept