so ima do a vote thing cause ima change my profile 1 2 3 or 4 I need as many people to vote so I can make a choce

Which of the following expressions cannot be simplified to x – 2?

Evan walked 5/8 mile to his friends house.then together they walked 7/12 mile to the movie theatre.which pair of fraction can evan use to find how far he walked in all?

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