Help me pls i am taking a math quiz and I need help: Which point is not on the graph of the function y = 3x?

1. (7, 21)
2. (5, 15)
3. (9, 3)
4. (0, 0)

(no explanation needed)

Graph y = -|x| + 2. click on the graph until the correct one appears.

What is the the greatest common factor ?

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z