What is number 3? I’m confused

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

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

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25