Please help me answer this! Thank you:)

Which expression is equivalent to? assume x > 0 and y > 0.

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?

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer