Is 6.1221211... rational or irrational

Click on the y intercept. -x +4 i know you cant click on it so could you just say the coordinates like (example - (1,0) you so much.

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet