Ajar contains 20 marbles, of which 4 are red, 12 are black, 3 are green, and 1 is yellow.
What is the probability that a randomly selected ball is green?

I'm so close to finishing all these.

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12