Daily Practice - Foundation Plus

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

Write (4¹²)³ as a single power of 4.Write (4^12)^3 as a single power of 4.

The lines y = -2x - 7 and y = -4x - 15 are drawn. Write down the coordinates of the point where they cross.

A pack of 9 batteries costs £5.40. A pack of 27 costs £15.93. Which pack is better value?

A cone has base radius 8 cm and vertical height 12 cm. Work out its volume, leaving your answer in terms of π.A cone has base radius 8 cm and vertical height 12 cm. Work out its volume, leaving your answer in terms of pi.