Someone pls pls answer this ill mark u brainliest

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?

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review