Daily Practice - Foundation Plus

Grouped data has five classes of width 10, the first being 20 < x ≤ 30. The frequencies in order are 7, 21, 3, 16, 11. Write down the modal class.Grouped data has five classes of width 10, the first being 20 < x <= 30. The frequencies in order are 7, 21, 3, 16, 11. Write down the modal class.

Write 7¹² x 7² as a single power of 7.Write 7^12 x 7^2 as a single power of 7.

The lines y = 3x - 9 and y = -4x + 19 are drawn. Write down the coordinates of the point where they cross.

Red and blue raffle tickets are in the ratio 2 : 9. There are 24 red raffle tickets. How many raffle tickets are there altogether?

A cone has base radius 10 cm and vertical height 12 cm. Work out its volume, leaving your answer in terms of π.A cone has base radius 10 cm and vertical height 12 cm. Work out its volume, leaving your answer in terms of pi.