Автомобиль проходит по просёлочной дороге 50км за 4ч, а оставшиеся 100км по шоссе-за 1ч. Определите среднюю скорость автомобиля .​

Alinear relationship would look like a straight line on the graph. it could have a positive negative or 0 slope. so it could be a line potentially going in any direction but it must be perfectly straight.

False  i read once that you can't do more than two activities at once