Answer:
d ≈ 1.41
Explanation:
given 2 parallel lines in the form y = mx + c
then the distance d between them is
d =

the 2 lines have equation in the form y = mx + c
y = x + 3 and y = x + 1
with m = 1 , c₂ = 1 and c₁ = 3 , then
d =
=
=
≈ 1.41 ( to the nearest hundredth )