If m l=45 and m j=65 what is the measure of exterior angle at vertex k

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?

Can someone me with my math problem pls my teacher is on my back about this

How do newtons third law of motion demonstrates on a rollar coster