(a) Find the octal expansion of the integer 4812. (b)(i) How many ways are there to arrange the letters of the word DISCREAT? (ii) How many of these ways (in part (i)) start with D and end with T? (iii) How many of these ways (in part (i)) start or end with the letter D?

[3+(1+1+1)=6 marks]

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The frequency table shows a set of data collected by a doctor for adult patients who were diagnosed with a strain of influenza. patients with influenza age range number of sick patients 25 to 29 30 to 34 35 to 39 40 to 45 which dot plot could represent the same data as the frequency table? patients with flu

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Find the length of the diagonal of the rectangle. round your answer to the nearest tenth. || | | 8 m | | | | 11 m