Answer:
The answer is B. 5
Step-by-step explanation:
Plug (4, 1) and (9, 1) into the distance formula.
Distance = square root of ((x2 - x1)^2 + (y2 - y1)^2)
D = square root of ((9 - 4)^2 + (1 - 1)^2)
D = square root of (5^2 + 0^2)
D = square root of (25)
D = 5
