26 January

👆🏼Dasha, Masha and Sasha share money in the ratio 2:3:5. Sasha receives £75. How much does Masha receive?

👇🏼Solve \frac{8x-1}{2} = 3x + 11

🖐🏼Simplify \frac{7^2 \times 7^3}{7}

👈🏼y varies directly with the cube of x. When y = 108, x = 3.

Express y in terms of x

👉🏼X, Y and Z have respective coordinates (2,9), (5,-3) and (6,k). XY is perpendicular to XZ.

Find k

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