Which situation is linear? a) a sample of bacteria is doubling every day b) the number of cars each hour on a road for a week c) the cost of a movie ticket increases five percent each year d) the population of a town in increasing by ten people each year

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters