Scientists randomly select ten groups from a population of men over 50 years old. They calculate the mean weights of each of these groups. The variability between these means can be best attributed to

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?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.