Identify the graph of the system of linear inequalities

What term makes it inconsistent y=2x - 4 ?

What is the value of x? enter your answer, as a decimal, in the box. x=

Brianna is getting materials for a chemistry experiment. her teacher gives her a container that has 0.15 liters of a liquid in it. brianna needs to use 0.4 of this liquid for the experiment. how much liquid will brianna use?