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One kilogram is approximately equal to 2.2 lbs. What is the mass in kilograms of a football player who weighs 198 pounds? Under what conditions might the player be able to lose weight without losing mass?

Simplify each of the following expressions:
                                                                                                        

So, what happened to all of the posts on this blog? Last year, I used the blog to post writing prompts and practice problems, which I called preambles. For many reasons, I have decided to go in a different direction this year. The old preamble posts have been deleted.

The Chemistry instructors at my school recognized [...]