Foundation Plus

Does the point (-2, 1) satisfy y > 3x - 1?

A block has volume 20 cm³ and density 3 g/cm³. Work out its mass.A block has volume 20 cm^3 and density 3 g/cm^3. Work out its mass.

Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 10 cm². Work out the area of the larger.Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 10 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 30 < x ≤ 40. The frequencies in order are 21, 7, 3, 11, 16. Write down the modal class.Grouped data has five classes of width 10, the first being 30 < x <= 40. The frequencies in order are 21, 7, 3, 11, 16. Write down the modal class.