Higher

A box plot has minimum 15, lower quartile 19, median 22, upper quartile 26 and maximum 35. Work out the interquartile range.

Write 27 in the form a b, where b is as small as possible.Write sqrt(27) in the form a sqrt(b), where b is as small as possible.

For the curve y = 45/x, work out y when x = 5, and write down the equation of its vertical asymptote.

y is directly proportional to x². When x = 5, y = 50. Work out y when x = 2.y is directly proportional to x^2. When x = 5, y = 50. Work out y when x = 2.

Two similar solids have lengths in the ratio 1 : 2. The larger has a volume of 16 cm³. Work out the volume of the smaller.Two similar solids have lengths in the ratio 1 : 2. The larger has a volume of 16 cm^3. Work out the volume of the smaller.