Find an equation of the line passing through the point (-3,-5) that is parallel to the line y= (2/5)x - 4

What is the difference between regular convex and concave polygons

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?

Can someone me out here and the tell me the greatest common factor