What do the coordinates (x, y) of each graphed point mean in the context of the scenario

Consider the system: y = 3x + 5 y = ax + b what values for a and b make the system inconsistent? what values for a and b make the system consistent and dependent? explain

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0