Just need to know what x is

Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it.bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)