Foundation Plus

Does the point (3, 8) satisfy y > -x + 4?

A block has volume 40 cm³ and density 8 g/cm³. Work out its mass.A block has volume 40 cm^3 and density 8 g/cm^3. Work out its mass.

Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 14 cm². Work out the area of the larger.Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 14 cm^2. Work out the area of the larger.

A biased coin lands on heads with probability 0.1. It is thrown 500 times. How many heads would you expect?

Grouped data has five classes of width 10, the first being 0 < x ≤ 10. The frequencies in order are 7, 21, 16, 3, 11. Write down the modal class.Grouped data has five classes of width 10, the first being 0 < x <= 10. The frequencies in order are 7, 21, 16, 3, 11. Write down the modal class.