Higher

Four classes in order have frequencies 3, 4, 7, 8. Write down the cumulative frequency at the end of the third class.

Write 48 in the form a b, where b is as small as possible.Write sqrt(48) in the form a sqrt(b), where b is as small as possible.

For the curve y = 8/x, work out y when x = 1, and write down the equation of its vertical asymptote.

A block has volume 40 cm³ and density 3 g/cm³. Work out its mass.A block has volume 40 cm^3 and density 3 g/cm^3. Work out its mass.

Two similar solids have lengths in the ratio 1 : 2. The larger has a volume of 272 cm³. Work out the volume of the smaller.Two similar solids have lengths in the ratio 1 : 2. The larger has a volume of 272 cm^3. Work out the volume of the smaller.