How many atoms in all are in one molecule of ferric sulfide? 2

6

7

5

formula : Fe2S3

Which of the following of the following sets of side lengths could not form a triangle?

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)