3x+8>9
x has to equal 1
(if you can please include the steps! i will give brainiest)

Triangle xyz has vertices x(1,3), y(0,0)

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.