Aplayground is rectangular with a length of 7/8miles. if the area of the playground is 8/20 square miles what is the width?

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

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

Can someone tell me if this is perpendicular? !