6 to 12 please I need help :,)

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Identify the graph of y = ln x + 1.

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?