Why were the whig and democratic party failures to finding a lasting political compromise on the issue of slavery

Explain the popular saying "we are made of stardust. how are we made of stardust? use scientific vocab.

Who pays into social security a employees b self employed c employers d all of the above

Micheal wants to estimate how much it will cost him each month to own and maintain his car. which of the following costs should not be included in the calculations? routine maintenance? dealer fees? gas? loan payments? wouldn't it be dealer fees? ? idk in advance! : )