Higher

Four classes in order have frequencies 8, 4, 6, 7. Write down the cumulative frequency at the end of the third class.

A mass is 470 kg, correct to the nearest 10. Write down the upper bound.

For the curve y = -40/x, work out y when x = 5, and write down the equation of its vertical asymptote.

A block has volume 100 cm³ and density 7.5 g/cm³. Work out its mass.A block has volume 100 cm^3 and density 7.5 g/cm^3. Work out its mass.

Two similar solids have lengths in the ratio 1 : 3. The larger has a volume of 1053 cm³. Work out the volume of the smaller.Two similar solids have lengths in the ratio 1 : 3. The larger has a volume of 1053 cm^3. Work out the volume of the smaller.