Daily Practice - Foundation Plus

Grouped data has five classes of width 5, the first being 15 < x ≤ 20. The frequencies in order are 21, 7, 11, 3, 16. Write down the modal class.Grouped data has five classes of width 5, the first being 15 < x <= 20. The frequencies in order are 21, 7, 11, 3, 16. Write down the modal class.

Write 2⁵ x 2² as a single power of 2.Write 2^5 x 2^2 as a single power of 2.

The lines y = 3x - 14 and y = -4x + 21 are drawn. Write down the coordinates of the point where they cross.

Work out 5% of 140.

A cone has base radius 7 cm and vertical height 9 cm. Work out its volume, leaving your answer in terms of π.A cone has base radius 7 cm and vertical height 9 cm. Work out its volume, leaving your answer in terms of pi.