On a coordinate grid, point L is at (−4, 4) and point S is at (8, 4). The distance (in units) between points L and S is ______. Input only w

The distance is given by

√[(-4-8)^2 + (4-4)^2] = √[(12)^2 + 0^2] = √(12)^2  = √144 = 12