Number of Songs Total Cost 14 $9.10 16 $10.40 19 $12.35 What is the constant of proportionality between the total cost and the number of songs?

Ialready asked this but i never got an answer. will give a high rating and perhaps brainliest. choose the linear inequality that describes the graph. the gray area represents the shaded region. y ≤ –4x – 2 y > –4x – 2 y ≥ –4x – 2 y < 4x – 2