Which diagram correctly displays the relationship between sets of numbers?

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?

What is the missing constant term in the perfect square that starts with x^2 -20x

Given abcd ac=38 and ae=3x+4 find the value of x