Anyone want to talk dm me its some bad stuff i want to talk about because my life went downhill and i almost killed myself twice

Which of the following circles have their centers in the third quadrant?

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

Determine the equivalent system for the given system of equations: 5x − 3y = 6 x + y = 2