Which ratio correctly compares 75 cm to 60 mm?

answer:

c) the x-coordinate of the center of the circle increases by 3

the correct answer is b.

this is because an open circle means < or > & since the line goes left it is < -3.

the next one has a filled circle so it can only be ≥ or ≤ and since the line goes right from 1 it is ≥ 1

hope that