Please help me with this (and my other questions) thanks

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Which statements about these triangles is true

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?