Foundation Plus

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

Write 7⁷ / 7³ as a single power of 7.Write 7^7 / 7^3 as a single power of 7.

The lines y = x + 3 and y = -x + 11 are drawn. Write down the coordinates of the point where they cross.

A coach travels 60 km in 1.5 hours, then 80 km in 0.5 hours. Work out the average speed for the whole journey, to 1 decimal place.

A cone has base radius 10 cm and vertical height 9 cm. Work out its volume, leaving your answer in terms of π.A cone has base radius 10 cm and vertical height 9 cm. Work out its volume, leaving your answer in terms of pi.