By 2016, national fuel economy standards will require car manufacturers to make cars that meet 19 mpg. 29 mpg. 39 mpg. 49 mpg.

Using complete sentences, describe the central economic problem facing all humans. why does this require people to make choices? how can this result in opportunity costs?

Need now! 45 points laboratory: weather map interpretation i need someone to answer the other two questions. i will give to the best answer!

Based upon this data, which statement accurately represents the difference between investments in the two stocks? select the best answer from the choices provided.a.  monopower has less volatility but lower returns than ifruit company.b.  monopower has more volatility but lower returns than ifruit company.c.  monopower has more volatility and more liquidity than ifruit company.d.  monopower has less volatility but more liquidity than ifruit company