A shopkeeper buys nut at 30kobo per score .He find that 1/4 of them are unsellable but sells the rest at 48kobo per dozen . Find the percentage profit or loss.( I need step by step explanation).

Acircle has a circumference of 28.36 units what is the diameter of the circle

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

Bring the fraction a/a-4 to a denominator of 16-a^2