Foundation Plus

Grouped data has five classes of width 5, the first being 5 < x ≤ 10. The frequencies in order are 21, 16, 7, 3, 11. Write down the modal class.Grouped data has five classes of width 5, the first being 5 < x <= 10. The frequencies in order are 21, 16, 7, 3, 11. Write down the modal class.

Write 8⁷ / 8² as a single power of 8.Write 8^7 / 8^2 as a single power of 8.

The lines y = -3x + 20 and y = 2x - 5 are drawn. Write down the coordinates of the point where they cross.

A coach travels 60 km in 1 hour, then 90 km in 0.5 hours. Work out the average speed for the whole journey, to 1 decimal place.

A cone has base radius 8 cm and vertical height 15 cm. Work out its volume, leaving your answer in terms of π.A cone has base radius 8 cm and vertical height 15 cm. Work out its volume, leaving your answer in terms of pi.