Doing my summer school work right now. Please help me pass I don’t want to take chemistry for the third time.

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy

Who discovered a pattern to the elements in 1869?