Answer:
see explanation
Step-by-step explanation:
Given the points (a, c ) and (b, c )
Since the y- coordinates are equal the distance formula simplifies to
d = [tex]\sqrt{(x_{2}-x_{1})^2 }[/tex]
with x₁ = a and x₂ = b
d = [tex]\sqrt{(b-a)^2}[/tex] = b- a
