If you have a set of ordered pairs and are trying to determine if they are functions, can there be two sets of the same ordered pair?

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Jim had 15 minutes to do 5 laps around his school what would his time be