What are the measures of the angles located at positions a, b, c, d, e, & f?

Is the square root of 4 plus the square root of 16 rational?

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

How do you write something in scientific notation?