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If the scale factor between two circles is 2x/5y what is the ratio of their areas?

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

If the discriminant if a quadratic equation is 4 which statement describes the roots?