Daily Practice - Higher

Four classes in order have frequencies 10, 9, 8, 5. Write down the cumulative frequency at the end of the third class.

Write √45 in the form a √b, where b is as small as possible.Write sqrt(45) in the form a sqrt(b), where b is as small as possible.

For the curve y = -18/x, work out y when x = 2, and write down the equation of its vertical asymptote.

A block has volume 45 cm³ and density 7.5 g/cm³. Work out its mass.A block has volume 45 cm^3 and density 7.5 g/cm^3. Work out its mass.

Two similar solids have lengths in the ratio 1 : 4. The larger has a volume of 704 cm³. Work out the volume of the smaller.Two similar solids have lengths in the ratio 1 : 4. The larger has a volume of 704 cm^3. Work out the volume of the smaller.