Y/3 = 12

please help w/ steps

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Which table represents a linear function? i'll give brainliest to first answer ^'^

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.